125135647244 has 24 divisors (see below), whose sum is σ = 223198558128. Its totient is φ = 61365470400.

The previous prime is 125135647201. The next prime is 125135647253. The reversal of 125135647244 is 442746531521.

It is a super-2 number, since 2×125135647244² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125135647195 and 125135647204.

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, 500894 + ... + 707930.

It is an arithmetic number, because the mean of its divisors is an integer number (9299939922).

Almost surely, 2^125135647244 is an apocalyptic number.

It is an amenable number.

125135647244 is a deficient number, since it is larger than the sum of its proper divisors (98062910884).

125135647244 is a wasteful number, since it uses less digits than its factorization.

125135647244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209945 (or 209943 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The spelling of 125135647244 in words is "one hundred twenty-five billion, one hundred thirty-five million, six hundred forty-seven thousand, two hundred forty-four".