1161212576 has 24 divisors (see below), whose sum is σ = 2287037844. Its totient is φ = 580377600.

The previous prime is 1161212573. The next prime is 1161212581. The reversal of 1161212576 is 6752121611.

It can be written as a sum of positive squares in 2 ways, for example, as 1032979600 + 128232976 = 32140^2 + 11324^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1161212573) by changing a digit.

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, 100136 + ... + 111128.

Almost surely, 2^1161212576 is an apocalyptic number.

1161212576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1161212576 is a deficient number, since it is larger than the sum of its proper divisors (1125825268).

1161212576 is a wasteful number, since it uses less digits than its factorization.

1161212576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14304 (or 14296 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 1161212576 is about 34076.5693108916. The cubic root of 1161212576 is about 1051.0835604845.

The spelling of 1161212576 in words is "one billion, one hundred sixty-one million, two hundred twelve thousand, five hundred seventy-six".