125900638 has 16 divisors (see below), whose sum is σ = 192432384. Its totient is φ = 61764120.

The previous prime is 125900633. The next prime is 125900647. The reversal of 125900638 is 836009521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125900633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34581 + ... + 38047.

It is an arithmetic number, because the mean of its divisors is an integer number (12027024).

Almost surely, 2^125900638 is an apocalyptic number.

125900638 is a deficient number, since it is larger than the sum of its proper divisors (66531746).

125900638 is a wasteful number, since it uses less digits than its factorization.

125900638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3807.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 125900638 is about 11220.5453521654. The cubic root of 125900638 is about 501.1979780714.

The spelling of 125900638 in words is "one hundred twenty-five million, nine hundred thousand, six hundred thirty-eight".