115771612 has 12 divisors (see below), whose sum is σ = 221018616. Its totient is φ = 52623440.

The previous prime is 115771603. The next prime is 115771613. The reversal of 115771612 is 216177511.

It is a happy number.

It is a super-2 number, since 2×115771612² = 26806132290157088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115771613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315543 + ... + 1315630.

It is an arithmetic number, because the mean of its divisors is an integer number (18418218).

Almost surely, 2^115771612 is an apocalyptic number.

It is an amenable number.

115771612 is a deficient number, since it is larger than the sum of its proper divisors (105247004).

115771612 is a wasteful number, since it uses less digits than its factorization.

115771612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631188 (or 2631186 counting only the distinct ones).

The product of its digits is 2940, while the sum is 31.

The square root of 115771612 is about 10759.7217436140. The cubic root of 115771612 is about 487.3796145430.

The spelling of 115771612 in words is "one hundred fifteen million, seven hundred seventy-one thousand, six hundred twelve".