1245965938 has 16 divisors (see below), whose sum is σ = 2261585664. Its totient is φ = 502574400.

The previous prime is 1245965927. The next prime is 1245965951. The reversal of 1245965938 is 8395695421.

It is a super-2 number, since 2×1245965938² = 3104862237312439688, which contains 22 as substring.

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, 2617338 + ... + 2617813.

It is an arithmetic number, because the mean of its divisors is an integer number (141349104).

Almost surely, 2^1245965938 is an apocalyptic number.

1245965938 is a deficient number, since it is larger than the sum of its proper divisors (1015619726).

1245965938 is a wasteful number, since it uses less digits than its factorization.

1245965938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5235177.

The product of its digits is 2332800, while the sum is 52.

The square root of 1245965938 is about 35298.2427041347. The cubic root of 1245965938 is about 1076.0572797642.

The spelling of 1245965938 in words is "one billion, two hundred forty-five million, nine hundred sixty-five thousand, nine hundred thirty-eight".