125690490 has 24 divisors (see below), whose sum is σ = 326795508. Its totient is φ = 33517440.

The previous prime is 125690483. The next prime is 125690533. The reversal of 125690490 is 94096521.

125690490 is a `hidden beast` number, since 1 + 2 + 569 + 0 + 4 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 125686521 + 3969 = 11211^2 + 63^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 698191 + ... + 698370.

Almost surely, 2^125690490 is an apocalyptic number.

125690490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125690490 is an abundant number, since it is smaller than the sum of its proper divisors (201105018).

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

125690490 is a wasteful number, since it uses less digits than its factorization.

125690490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396574 (or 1396571 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 125690490 is about 11211.1770122499. The cubic root of 125690490 is about 500.9189633115.

The spelling of 125690490 in words is "one hundred twenty-five million, six hundred ninety thousand, four hundred ninety".