1264007252 has 12 divisors (see below), whose sum is σ = 2219127456. Its totient is φ = 629970840.

The previous prime is 1264007201. The next prime is 1264007257. The reversal of 1264007252 is 2527004621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264007257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506798 + ... + 509285.

It is an arithmetic number, because the mean of its divisors is an integer number (184927288).

Almost surely, 2^1264007252 is an apocalyptic number.

It is an amenable number.

1264007252 is a deficient number, since it is larger than the sum of its proper divisors (955120204).

1264007252 is a wasteful number, since it uses less digits than its factorization.

1264007252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016398 (or 1016396 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1264007252 is about 35552.8796583343. The cubic root of 1264007252 is about 1081.2261029300.

The spelling of 1264007252 in words is "one billion, two hundred sixty-four million, seven thousand, two hundred fifty-two".