121257092 has 24 divisors (see below), whose sum is σ = 231827232. Its totient is φ = 55036800.

The previous prime is 121257083. The next prime is 121257121. The reversal of 121257092 is 290752121.

It is a super-3 number, since 3×121257092³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

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, 37292 + ... + 40412.

It is an arithmetic number, because the mean of its divisors is an integer number (9659468).

Almost surely, 2^121257092 is an apocalyptic number.

It is an amenable number.

121257092 is a deficient number, since it is larger than the sum of its proper divisors (110570140).

121257092 is a wasteful number, since it uses less digits than its factorization.

121257092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019 (or 4017 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 121257092 is about 11011.6797991950. The cubic root of 121257092 is about 494.9587994141.

The spelling of 121257092 in words is "one hundred twenty-one million, two hundred fifty-seven thousand, ninety-two".