1250001264 has 40 divisors (see below), whose sum is σ = 3282114832. Its totient is φ = 409835520.

The previous prime is 1250001227. The next prime is 1250001281. The reversal of 1250001264 is 4621000521.

It is a self number, because there is not a number n which added to its sum of digits gives 1250001264.

It is a congruent number.

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, 210529 + ... + 216384.

Almost surely, 2^1250001264 is an apocalyptic number.

It is an amenable number.

1250001264 is an abundant number, since it is smaller than the sum of its proper divisors (2032113568).

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

1250001264 is a wasteful number, since it uses less digits than its factorization.

1250001264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426985 (or 426979 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1250001264 is about 35355.3569349823. The cubic root of 1250001264 is about 1077.2177081099.

Adding to 1250001264 its reverse (4621000521), we get a palindrome (5871001785).

The spelling of 1250001264 in words is "one billion, two hundred fifty million, one thousand, two hundred sixty-four".