121064365 has 4 divisors (see below), whose sum is σ = 145277244. Its totient is φ = 96851488.

The previous prime is 121064353. The next prime is 121064399. The reversal of 121064365 is 563460121.

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 17065161 + 103999204 = 4131^2 + 10198^2 .

It is a cyclic number.

It is not a de Polignac number, because 121064365 - 2²¹ = 118967213 is a prime.

It is a Duffinian number.

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, 12106432 + ... + 12106441.

It is an arithmetic number, because the mean of its divisors is an integer number (36319311).

Almost surely, 2^121064365 is an apocalyptic number.

It is an amenable number.

121064365 is a deficient number, since it is larger than the sum of its proper divisors (24212879).

121064365 is an equidigital number, since it uses as much as digits as its factorization.

121064365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24212878.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 121064365 is about 11002.9252928483. The cubic root of 121064365 is about 494.6964298582.

It can be divided in two parts, 12106 and 4365, that added together give a triangular number (16471 = T₁₈₁).

The spelling of 121064365 in words is "one hundred twenty-one million, sixty-four thousand, three hundred sixty-five".