1215470768 has 20 divisors (see below), whose sum is σ = 2367182568. Its totient is φ = 604584960.

The previous prime is 1215470749. The next prime is 1215470771. The reversal of 1215470768 is 8670745121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193718 + ... + 199893.

Almost surely, 2^1215470768 is an apocalyptic number.

It is an amenable number.

1215470768 is a deficient number, since it is larger than the sum of its proper divisors (1151711800).

1215470768 is a wasteful number, since it uses less digits than its factorization.

1215470768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393812 (or 393806 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The square root of 1215470768 is about 34863.6023382553. The cubic root of 1215470768 is about 1067.2057901395.

The spelling of 1215470768 in words is "one billion, two hundred fifteen million, four hundred seventy thousand, seven hundred sixty-eight".