1250945157 has 48 divisors (see below), whose sum is σ = 2121472512. Its totient is φ = 648355680.

The previous prime is 1250945093. The next prime is 1250945159. The reversal of 1250945157 is 7515490521.

It is not a de Polignac number, because 1250945157 - 2⁶ = 1250945093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250945159) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1272088 + ... + 1273070.

It is an arithmetic number, because the mean of its divisors is an integer number (44197344).

Almost surely, 2^1250945157 is an apocalyptic number.

It is an amenable number.

1250945157 is a deficient number, since it is larger than the sum of its proper divisors (870527355).

1250945157 is a wasteful number, since it uses less digits than its factorization.

1250945157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 39.

The square root of 1250945157 is about 35368.7030720664. The cubic root of 1250945157 is about 1077.4887804848.

The spelling of 1250945157 in words is "one billion, two hundred fifty million, nine hundred forty-five thousand, one hundred fifty-seven".