125642214631 has 8 divisors (see below), whose sum is σ = 126757864944. Its totient is φ = 124530556800.

The previous prime is 125642214589. The next prime is 125642214671. The reversal of 125642214631 is 136412246521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125642214631 is a prime.

It is a super-2 number, since 2×125642214631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125642214671) 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, 934885 + ... + 1060798.

It is an arithmetic number, because the mean of its divisors is an integer number (15844733118).

Almost surely, 2^125642214631 is an apocalyptic number.

125642214631 is a deficient number, since it is larger than the sum of its proper divisors (1115650313).

125642214631 is a wasteful number, since it uses less digits than its factorization.

125642214631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996241.

The product of its digits is 69120, while the sum is 37.

The spelling of 125642214631 in words is "one hundred twenty-five billion, six hundred forty-two million, two hundred fourteen thousand, six hundred thirty-one".