121875868 has 6 divisors (see below), whose sum is σ = 213282776. Its totient is φ = 60937932.

The previous prime is 121875857. The next prime is 121875913. The reversal of 121875868 is 868578121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15234480 + ... + 15234487.

Almost surely, 2^121875868 is an apocalyptic number.

It is an amenable number.

121875868 is a deficient number, since it is larger than the sum of its proper divisors (91406908).

121875868 is a wasteful number, since it uses less digits than its factorization.

121875868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30468971 (or 30468969 counting only the distinct ones).

The product of its digits is 215040, while the sum is 46.

The square root of 121875868 is about 11039.7403954984. The cubic root of 121875868 is about 495.7992977006.

The spelling of 121875868 in words is "one hundred twenty-one million, eight hundred seventy-five thousand, eight hundred sixty-eight".