1268864570 has 32 divisors (see below), whose sum is σ = 2316625920. Its totient is φ = 500335360.

The previous prime is 1268864563. The next prime is 1268864587. The reversal of 1268864570 is 754688621.

It is a super-2 number, since 2×1268864570² = 3220034594002569800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212891 + ... + 218769.

It is an arithmetic number, because the mean of its divisors is an integer number (72394560).

Almost surely, 2^1268864570 is an apocalyptic number.

1268864570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1268864570 is a deficient number, since it is larger than the sum of its proper divisors (1047761350).

1268864570 is a wasteful number, since it uses less digits than its factorization.

1268864570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6190.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 1268864570 is about 35621.1253331503. The cubic root of 1268864570 is about 1082.6093086197.

The spelling of 1268864570 in words is "one billion, two hundred sixty-eight million, eight hundred sixty-four thousand, five hundred seventy".