121899676 has 12 divisors (see below), whose sum is σ = 215396272. Its totient is φ = 60357888.

The previous prime is 121899653. The next prime is 121899689. The reversal of 121899676 is 676998121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147525 + ... + 148348.

Almost surely, 2^121899676 is an apocalyptic number.

It is an amenable number.

121899676 is a deficient number, since it is larger than the sum of its proper divisors (93496596).

121899676 is a wasteful number, since it uses less digits than its factorization.

121899676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295980 (or 295978 counting only the distinct ones).

The product of its digits is 326592, while the sum is 49.

The square root of 121899676 is about 11040.8186290691. The cubic root of 121899676 is about 495.8315797849.

The spelling of 121899676 in words is "one hundred twenty-one million, eight hundred ninety-nine thousand, six hundred seventy-six".