1253876264 has 8 divisors (see below), whose sum is σ = 2351018010. Its totient is φ = 626938128.

The previous prime is 1253876263. The next prime is 1253876311. The reversal of 1253876264 is 4626783521.

It can be written as a sum of positive squares in only one way, i.e., 1021313764 + 232562500 = 31958^2 + 15250^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1253876263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78367259 + ... + 78367274.

Almost surely, 2^1253876264 is an apocalyptic number.

It is an amenable number.

1253876264 is a deficient number, since it is larger than the sum of its proper divisors (1097141746).

1253876264 is a wasteful number, since it uses less digits than its factorization.

1253876264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156734539 (or 156734535 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 1253876264 is about 35410.1152779824. The cubic root of 1253876264 is about 1078.3296836994.

The spelling of 1253876264 in words is "one billion, two hundred fifty-three million, eight hundred seventy-six thousand, two hundred sixty-four".