121053223 has 4 divisors (see below), whose sum is σ = 121104760. Its totient is φ = 121001688.

The previous prime is 121053203. The next prime is 121053239. The reversal of 121053223 is 322350121.

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

It is a cyclic number.

It is not a de Polignac number, because 121053223 - 2²⁵ = 87498791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121053223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121053203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22068 + ... + 27001.

It is an arithmetic number, because the mean of its divisors is an integer number (30276190).

Almost surely, 2^121053223 is an apocalyptic number.

121053223 is a deficient number, since it is larger than the sum of its proper divisors (51537).

121053223 is an equidigital number, since it uses as much as digits as its factorization.

121053223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51536.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 121053223 is about 11002.4189613012. The cubic root of 121053223 is about 494.6812531470.

The spelling of 121053223 in words is "one hundred twenty-one million, fifty-three thousand, two hundred twenty-three".