121392862 has 8 divisors (see below), whose sum is σ = 191673000. Its totient is φ = 57501864.

The previous prime is 121392857. The next prime is 121392883. The reversal of 121392862 is 268293121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1597237 + ... + 1597312.

It is an arithmetic number, because the mean of its divisors is an integer number (23959125).

Almost surely, 2^121392862 is an apocalyptic number.

121392862 is a deficient number, since it is larger than the sum of its proper divisors (70280138).

121392862 is a wasteful number, since it uses less digits than its factorization.

121392862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194570.

The product of its digits is 10368, while the sum is 34.

The square root of 121392862 is about 11017.8428923270. The cubic root of 121392862 is about 495.1434635012.

The spelling of 121392862 in words is "one hundred twenty-one million, three hundred ninety-two thousand, eight hundred sixty-two".