121081092 has 24 divisors (see below), whose sum is σ = 308206752. Its totient is φ = 36691200.

The previous prime is 121081087. The next prime is 121081099. The reversal of 121081092 is 290180121.

It is not an unprimeable number, because it can be changed into a prime (121081099) 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 7 ways as a sum of consecutive naturals, for example, 458509 + ... + 458772.

It is an arithmetic number, because the mean of its divisors is an integer number (12841948).

Almost surely, 2^121081092 is an apocalyptic number.

121081092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121081092 is an abundant number, since it is smaller than the sum of its proper divisors (187125660).

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

121081092 is a wasteful number, since it uses less digits than its factorization.

121081092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917299 (or 917297 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 121081092 is about 11003.6853826343. The cubic root of 121081092 is about 494.7192122465.

The spelling of 121081092 in words is "one hundred twenty-one million, eighty-one thousand, ninety-two".