121079091 has 8 divisors (see below), whose sum is σ = 184501504. Its totient is φ = 69188040.

The previous prime is 121079051. The next prime is 121079141. The reversal of 121079091 is 190970121.

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

It is not a de Polignac number, because 121079091 - 2¹⁵ = 121046323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121079011) 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, 2882815 + ... + 2882856.

It is an arithmetic number, because the mean of its divisors is an integer number (23062688).

Almost surely, 2^121079091 is an apocalyptic number.

121079091 is a deficient number, since it is larger than the sum of its proper divisors (63422413).

121079091 is an equidigital number, since it uses as much as digits as its factorization.

121079091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5765681.

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 121079091 is about 11003.5944581759. The cubic root of 121079091 is about 494.7164869694.

The spelling of 121079091 in words is "one hundred twenty-one million, seventy-nine thousand, ninety-one".