1264427052 has 24 divisors (see below), whose sum is σ = 3371805696. Its totient is φ = 361264848.

The previous prime is 1264427051. The next prime is 1264427069. The reversal of 1264427052 is 2507244621.

It is not an unprimeable number, because it can be changed into a prime (1264427051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7526268 + ... + 7526435.

It is an arithmetic number, because the mean of its divisors is an integer number (140491904).

Almost surely, 2^1264427052 is an apocalyptic number.

1264427052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1264427052 is an abundant number, since it is smaller than the sum of its proper divisors (2107378644).

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

1264427052 is a wasteful number, since it uses less digits than its factorization.

1264427052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15052717 (or 15052715 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 1264427052 is about 35558.7830500426. The cubic root of 1264427052 is about 1081.3457880234.

The spelling of 1264427052 in words is "one billion, two hundred sixty-four million, four hundred twenty-seven thousand, fifty-two".