1161072612 has 36 divisors (see below), whose sum is σ = 3354210496. Its totient is φ = 331734960.

The previous prime is 1161072607. The next prime is 1161072629. The reversal of 1161072612 is 2162701611.

It is a happy number.

1161072612 is a `hidden beast` number, since 11 + 610 + 7 + 26 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1161072612² = 2696179220673005088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2303464 + ... + 2303967.

Almost surely, 2^1161072612 is an apocalyptic number.

1161072612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1161072612 is an abundant number, since it is smaller than the sum of its proper divisors (2193137884).

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

1161072612 is a wasteful number, since it uses less digits than its factorization.

1161072612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607448 (or 4607443 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1161072612 is about 34074.5155798289. The cubic root of 1161072612 is about 1051.0413288341.

The spelling of 1161072612 in words is "one billion, one hundred sixty-one million, seventy-two thousand, six hundred twelve".