125695988 has 24 divisors (see below), whose sum is σ = 240429504. Its totient is φ = 57024000.

The previous prime is 125695987. The next prime is 125696027. The reversal of 125695988 is 889596521.

It is a super-2 number, since 2×125695988² = 31598962798592288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125695981) 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, 22913 + ... + 27863.

It is an arithmetic number, because the mean of its divisors is an integer number (10017896).

Almost surely, 2^125695988 is an apocalyptic number.

It is an amenable number.

125695988 is a deficient number, since it is larger than the sum of its proper divisors (114733516).

125695988 is a wasteful number, since it uses less digits than its factorization.

125695988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543 (or 5541 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 53.

The square root of 125695988 is about 11211.4222112986. The cubic root of 125695988 is about 500.9262669993.

The spelling of 125695988 in words is "one hundred twenty-five million, six hundred ninety-five thousand, nine hundred eighty-eight".