1215079064 has 32 divisors (see below), whose sum is σ = 2307723600. Its totient is φ = 599736960.

The previous prime is 1215079043. The next prime is 1215079067. The reversal of 1215079064 is 4609705121.

It is a super-2 number, since 2×1215079064² = 2952834263542232192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215079067) 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, 198254 + ... + 204290.

Almost surely, 2^1215079064 is an apocalyptic number.

It is an amenable number.

1215079064 is a deficient number, since it is larger than the sum of its proper divisors (1092644536).

1215079064 is a wasteful number, since it uses less digits than its factorization.

1215079064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6363 (or 6359 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1215079064 is about 34857.9842216959. The cubic root of 1215079064 is about 1067.0911367061.

The spelling of 1215079064 in words is "one billion, two hundred fifteen million, seventy-nine thousand, sixty-four".