1250939972 has 12 divisors (see below), whose sum is σ = 2219133756. Its totient is φ = 616901760.

The previous prime is 1250939959. The next prime is 1250940017. The reversal of 1250939972 is 2799390521.

It can be written as a sum of positive squares in 2 ways, for example, as 648924676 + 602015296 = 25474^2 + 24536^2 .

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, 2141729 + ... + 2142312.

It is an arithmetic number, because the mean of its divisors is an integer number (184927813).

Almost surely, 2^1250939972 is an apocalyptic number.

It is an amenable number.

1250939972 is a deficient number, since it is larger than the sum of its proper divisors (968193784).

1250939972 is a wasteful number, since it uses less digits than its factorization.

1250939972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284118 (or 4284116 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 1250939972 is about 35368.6297727237. The cubic root of 1250939972 is about 1077.4872918005.

The spelling of 1250939972 in words is "one billion, two hundred fifty million, nine hundred thirty-nine thousand, nine hundred seventy-two".