Google Inc. says its second-quarter profit rose 35 percent. Its $1.25 billion in earnings were propelled by the growing international popularity of its Internet search engine.

But the earnings, which amounted to $3.92 per share, are likely to disappoint investors because the performance fell below analyst estimates.

Revenue for quarter was $5.4 billion, a 39 percent increase from the same time last year.

Most of Google’s revenue came from online ads shown to Web surfers outside the United States, a factor that helped the company offset some of the economic doldrums plaguing its home country. International markets accounted for 52 percent of Google’s revenue in the quarter.