1264258888 has 16 divisors (see below), whose sum is σ = 2379933360. Its totient is φ = 629610000.

The previous prime is 1264258859. The next prime is 1264258889. The reversal of 1264258888 is 8888524621.

It is not an unprimeable number, because it can be changed into a prime (1264258889) 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, 312798 + ... + 316813.

It is an arithmetic number, because the mean of its divisors is an integer number (148745835).

Almost surely, 2^1264258888 is an apocalyptic number.

It is an amenable number.

1264258888 is a deficient number, since it is larger than the sum of its proper divisors (1115674472).

1264258888 is a wasteful number, since it uses less digits than its factorization.

1264258888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629868 (or 629864 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 52.

The square root of 1264258888 is about 35556.4183798087. The cubic root of 1264258888 is about 1081.2978476025.

The spelling of 1264258888 in words is "one billion, two hundred sixty-four million, two hundred fifty-eight thousand, eight hundred eighty-eight".