121311092 has 12 divisors (see below), whose sum is σ = 242622240. Its totient is φ = 51990456.

The previous prime is 121311059. The next prime is 121311103. The reversal of 121311092 is 290113121.

121311092 is an admirable number.

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, 2166242 + ... + 2166297.

It is an arithmetic number, because the mean of its divisors is an integer number (20218520).

Almost surely, 2^121311092 is an apocalyptic number.

It is an amenable number.

121311092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121311092 is a wasteful number, since it uses less digits than its factorization.

121311092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332550 (or 4332548 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 121311092 is about 11014.1314682548. The cubic root of 121311092 is about 495.0322626321.

The spelling of 121311092 in words is "one hundred twenty-one million, three hundred eleven thousand, ninety-two".