1250915364 has 18 divisors (see below), whose sum is σ = 3162036150. Its totient is φ = 416971776.

The previous prime is 1250915363. The next prime is 1250915383. The reversal of 1250915364 is 4635190521.

It can be written as a sum of positive squares in only one way, i.e., 1204784100 + 46131264 = 34710^2 + 6792^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 34747649 = 1250915364 / (1 + 2 + 5 + 0 + 9 + 1 + 5 + 3 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (1250915363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17373789 + ... + 17373860.

It is an arithmetic number, because the mean of its divisors is an integer number (175668675).

Almost surely, 2^1250915364 is an apocalyptic number.

It is an amenable number.

1250915364 is an abundant number, since it is smaller than the sum of its proper divisors (1911120786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1250915364 is a wasteful number, since it uses less digits than its factorization.

1250915364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34747659 (or 34747654 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1250915364 is about 35368.2818921134. The cubic root of 1250915364 is about 1077.4802264519.

The spelling of 1250915364 in words is "one billion, two hundred fifty million, nine hundred fifteen thousand, three hundred sixty-four".