121174010879 has 24 divisors (see below), whose sum is σ = 128753534448. Its totient is φ = 113964641280.

The previous prime is 121174010831. The next prime is 121174010917. The reversal of 121174010879 is 978010471121.

It is not a de Polignac number, because 121174010879 - 2²⁸ = 120905575423 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121174010809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5699489 + ... + 5720709.

It is an arithmetic number, because the mean of its divisors is an integer number (5364730602).

Almost surely, 2^121174010879 is an apocalyptic number.

121174010879 is a deficient number, since it is larger than the sum of its proper divisors (7579523569).

121174010879 is an equidigital number, since it uses as much as digits as its factorization.

121174010879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21435 (or 21398 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 41.

The spelling of 121174010879 in words is "one hundred twenty-one billion, one hundred seventy-four million, ten thousand, eight hundred seventy-nine".