121362839 has 8 divisors (see below), whose sum is σ = 131378352. Its totient is φ = 111444480.

The previous prime is 121362821. The next prime is 121362859. The reversal of 121362839 is 938263121.

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

It is a cyclic number.

It is not a de Polignac number, because 121362839 - 2²⁰ = 120314263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121362799 and 121362808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121362809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21677 + ... + 26694.

It is an arithmetic number, because the mean of its divisors is an integer number (16422294).

Almost surely, 2^121362839 is an apocalyptic number.

121362839 is a deficient number, since it is larger than the sum of its proper divisors (10015513).

121362839 is a wasteful number, since it uses less digits than its factorization.

121362839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48577.

The product of its digits is 15552, while the sum is 35.

The square root of 121362839 is about 11016.4803362962. The cubic root of 121362839 is about 495.1026403488.

The spelling of 121362839 in words is "one hundred twenty-one million, three hundred sixty-two thousand, eight hundred thirty-nine".