1264608912 has 40 divisors (see below), whose sum is σ = 3733608256. Its totient is φ = 361316736.

The previous prime is 1264608889. The next prime is 1264608913. The reversal of 1264608912 is 2198064621.

It is not an unprimeable number, because it can be changed into a prime (1264608913) 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, 1881523 + ... + 1882194.

Almost surely, 2^1264608912 is an apocalyptic number.

1264608912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1264608912 is an abundant number, since it is smaller than the sum of its proper divisors (2468999344).

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

1264608912 is a wasteful number, since it uses less digits than its factorization.

1264608912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3763735 (or 3763729 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 1264608912 is about 35561.3401322279. The cubic root of 1264608912 is about 1081.3976281348.

The spelling of 1264608912 in words is "one billion, two hundred sixty-four million, six hundred eight thousand, nine hundred twelve".