121289076 has 36 divisors (see below), whose sum is σ = 317949632. Its totient is φ = 40429368.

The previous prime is 121289059. The next prime is 121289099. The reversal of 121289076 is 670982121.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×121289076² = 29422079913867552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 121289076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61420 + ... + 63363.

Almost surely, 2^121289076 is an apocalyptic number.

It is an amenable number.

121289076 is an abundant number, since it is smaller than the sum of its proper divisors (196660556).

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

121289076 is a wasteful number, since it uses less digits than its factorization.

121289076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124802 (or 124788 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 121289076 is about 11013.1319795960. The cubic root of 121289076 is about 495.0023140388.

The spelling of 121289076 in words is "one hundred twenty-one million, two hundred eighty-nine thousand, seventy-six".