1270315664 has 40 divisors (see below), whose sum is σ = 2497340160. Its totient is φ = 625881728.

The previous prime is 1270315643. The next prime is 1270315693. The reversal of 1270315664 is 4665130721.

It is a super-2 number, since 2×1270315664² = 3227403772407521792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 635114 + ... + 637110.

It is an arithmetic number, because the mean of its divisors is an integer number (62433504).

Almost surely, 2^1270315664 is an apocalyptic number.

It is an amenable number.

1270315664 is a deficient number, since it is larger than the sum of its proper divisors (1227024496).

1270315664 is a wasteful number, since it uses less digits than its factorization.

1270315664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1270315664 is about 35641.4879599604. The cubic root of 1270315664 is about 1083.0218478899.

The spelling of 1270315664 in words is "one billion, two hundred seventy million, three hundred fifteen thousand, six hundred sixty-four".