121099976 has 16 divisors (see below), whose sum is σ = 240419340. Its totient is φ = 56988160.

The previous prime is 121099967. The next prime is 121099987. The reversal of 121099976 is 679990121.

It can be written as a sum of positive squares in 2 ways, for example, as 118243876 + 2856100 = 10874^2 + 1690^2 .

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, 445085 + ... + 445356.

Almost surely, 2^121099976 is an apocalyptic number.

It is an amenable number.

121099976 is a deficient number, since it is larger than the sum of its proper divisors (119319364).

121099976 is a wasteful number, since it uses less digits than its factorization.

121099976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890464 (or 890460 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 44.

The square root of 121099976 is about 11004.5434253312. The cubic root of 121099976 is about 494.7449299751.

The spelling of 121099976 in words is "one hundred twenty-one million, ninety-nine thousand, nine hundred seventy-six".