1264500412 has 12 divisors (see below), whose sum is σ = 2529000880. Its totient is φ = 541928736.

The previous prime is 1264500401. The next prime is 1264500421. The reversal of 1264500412 is 2140054621.

It is a happy number.

1264500412 is an admirable number.

It is a super-2 number, since 2×1264500412² = 3197922583896339488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22580337 + ... + 22580392.

Almost surely, 2^1264500412 is an apocalyptic number.

It is an amenable number.

1264500412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1264500412 is a wasteful number, since it uses less digits than its factorization.

1264500412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45160740 (or 45160738 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1264500412 is about 35559.8145664456. The cubic root of 1264500412 is about 1081.3667002600.

The spelling of 1264500412 in words is "one billion, two hundred sixty-four million, five hundred thousand, four hundred twelve".