1250872538 has 16 divisors (see below), whose sum is σ = 1892272200. Its totient is φ = 620136000.

The previous prime is 1250872517. The next prime is 1250872541. The reversal of 1250872538 is 8352780521.

It can be written as a sum of positive squares in 4 ways, for example, as 1127817889 + 123054649 = 33583^2 + 11093^2 .

It is a super-2 number, since 2×1250872538² = 3129364212645122888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1250872495 and 1250872504.

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, 121388 + ... + 131288.

Almost surely, 2^1250872538 is an apocalyptic number.

1250872538 is a deficient number, since it is larger than the sum of its proper divisors (641399662).

1250872538 is a wasteful number, since it uses less digits than its factorization.

1250872538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10433.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 1250872538 is about 35367.6764574661. The cubic root of 1250872538 is about 1077.4679302044.

The spelling of 1250872538 in words is "one billion, two hundred fifty million, eight hundred seventy-two thousand, five hundred thirty-eight".