1262645252 has 48 divisors (see below), whose sum is σ = 2497818624. Its totient is φ = 553284000.

The previous prime is 1262645231. The next prime is 1262645273. The reversal of 1262645252 is 2525462621.

It is an interprime number because it is at equal distance from previous prime (1262645231) and next prime (1262645273).

Its product of digits (57600) is a multiple of the sum of its prime factors (3600).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384377 + ... + 387647.

It is an arithmetic number, because the mean of its divisors is an integer number (52037888).

Almost surely, 2^1262645252 is an apocalyptic number.

It is an amenable number.

1262645252 is a deficient number, since it is larger than the sum of its proper divisors (1235173372).

1262645252 is a wasteful number, since it uses less digits than its factorization.

1262645252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600 (or 3598 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 1262645252 is about 35533.7199291040. The cubic root of 1262645252 is about 1080.8376138084.

The spelling of 1262645252 in words is "one billion, two hundred sixty-two million, six hundred forty-five thousand, two hundred fifty-two".