125099650 has 24 divisors (see below), whose sum is σ = 250585524. Its totient is φ = 46190400.

The previous prime is 125099609. The next prime is 125099659. The reversal of 125099650 is 56990521.

It can be written as a sum of positive squares in 6 ways, for example, as 33074001 + 92025649 = 5751^2 + 9593^2 .

It is not an unprimeable number, because it can be changed into a prime (125099659) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95581 + ... + 96880.

Almost surely, 2^125099650 is an apocalyptic number.

125099650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125099650 is an abundant number, since it is smaller than the sum of its proper divisors (125485874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125099650 is a wasteful number, since it uses less digits than its factorization.

125099650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192486 (or 192481 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 125099650 is about 11184.7954831548. The cubic root of 125099650 is about 500.1328313752.

The spelling of 125099650 in words is "one hundred twenty-five million, ninety-nine thousand, six hundred fifty".