125651492 has 24 divisors (see below), whose sum is σ = 225797376. Its totient is φ = 61152768.

The previous prime is 125651489. The next prime is 125651501. The reversal of 125651492 is 294156521.

It is a happy number.

It is a super-4 number, since 4×125651492⁴ (a number of 33 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34553 + ... + 38015.

It is an arithmetic number, because the mean of its divisors is an integer number (9408224).

Almost surely, 2^125651492 is an apocalyptic number.

It is an amenable number.

125651492 is a deficient number, since it is larger than the sum of its proper divisors (100145884).

125651492 is a wasteful number, since it uses less digits than its factorization.

125651492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707 (or 3705 counting only the distinct ones).

The product of its digits is 21600, while the sum is 35.

The square root of 125651492 is about 11209.4376308537. The cubic root of 125651492 is about 500.8671512281.

The spelling of 125651492 in words is "one hundred twenty-five million, six hundred fifty-one thousand, four hundred ninety-two".