115977212 has 12 divisors (see below), whose sum is σ = 218572536. Its totient is φ = 53527920.

The previous prime is 115977209. The next prime is 115977223. The reversal of 115977212 is 212779511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115114 + ... + 1115217.

It is an arithmetic number, because the mean of its divisors is an integer number (18214378).

Almost surely, 2^115977212 is an apocalyptic number.

It is an amenable number.

115977212 is a deficient number, since it is larger than the sum of its proper divisors (102595324).

115977212 is a wasteful number, since it uses less digits than its factorization.

115977212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230348 (or 2230346 counting only the distinct ones).

The product of its digits is 8820, while the sum is 35.

The square root of 115977212 is about 10769.2716559663. The cubic root of 115977212 is about 487.6679580813.

The spelling of 115977212 in words is "one hundred fifteen million, nine hundred seventy-seven thousand, two hundred twelve".