125021224 has 16 divisors (see below), whose sum is σ = 240750900. Its totient is φ = 60820992.

The previous prime is 125021207. The next prime is 125021231. The reversal of 125021224 is 422120521.

It can be written as a sum of positive squares in 2 ways, for example, as 101808100 + 23213124 = 10090^2 + 4818^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210889 + ... + 211480.

Almost surely, 2^125021224 is an apocalyptic number.

It is an amenable number.

125021224 is a deficient number, since it is larger than the sum of its proper divisors (115729676).

125021224 is a wasteful number, since it uses less digits than its factorization.

125021224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422412 (or 422408 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 125021224 is about 11181.2890133473. The cubic root of 125021224 is about 500.0282970652.

Adding to 125021224 its reverse (422120521), we get a palindrome (547141745).

The spelling of 125021224 in words is "one hundred twenty-five million, twenty-one thousand, two hundred twenty-four".