125243827631 has 8 divisors (see below), whose sum is σ = 134883971040. Its totient is φ = 115604541792.

The previous prime is 125243827627. The next prime is 125243827637. The reversal of 125243827631 is 136728342521.

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

It is a cyclic number.

It is not a de Polignac number, because 125243827631 - 2² = 125243827627 is a prime.

It is a super-2 number, since 2×125243827631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125243827637) 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, 106766 + ... + 511748.

It is an arithmetic number, because the mean of its divisors is an integer number (16860496380).

Almost surely, 2^125243827631 is an apocalyptic number.

125243827631 is a deficient number, since it is larger than the sum of its proper divisors (9640143409).

125243827631 is a wasteful number, since it uses less digits than its factorization.

125243827631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428785.

The product of its digits is 483840, while the sum is 44.

The spelling of 125243827631 in words is "one hundred twenty-five billion, two hundred forty-three million, eight hundred twenty-seven thousand, six hundred thirty-one".