121179385 has 4 divisors (see below), whose sum is σ = 145415268. Its totient is φ = 96943504.

The previous prime is 121179353. The next prime is 121179437. The reversal of 121179385 is 583971121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33419961 + 87759424 = 5781^2 + 9368^2 .

It is a cyclic number.

It is not a de Polignac number, because 121179385 - 2⁵ = 121179353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12117934 + ... + 12117943.

It is an arithmetic number, because the mean of its divisors is an integer number (36353817).

Almost surely, 2^121179385 is an apocalyptic number.

It is an amenable number.

121179385 is a deficient number, since it is larger than the sum of its proper divisors (24235883).

121179385 is an equidigital number, since it uses as much as digits as its factorization.

121179385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24235882.

The product of its digits is 15120, while the sum is 37.

The square root of 121179385 is about 11008.1508438066. The cubic root of 121179385 is about 494.8530461980.

The spelling of 121179385 in words is "one hundred twenty-one million, one hundred seventy-nine thousand, three hundred eighty-five".