121053224 has 8 divisors (see below), whose sum is σ = 226974810. Its totient is φ = 60526608.

The previous prime is 121053203. The next prime is 121053239. The reversal of 121053224 is 422350121.

It can be written as a sum of positive squares in only one way, i.e., 120604324 + 448900 = 10982^2 + 670^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 121053196 and 121053205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7565819 + ... + 7565834.

Almost surely, 2^121053224 is an apocalyptic number.

It is an amenable number.

121053224 is a deficient number, since it is larger than the sum of its proper divisors (105921586).

121053224 is a wasteful number, since it uses less digits than its factorization.

121053224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15131659 (or 15131655 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 121053224 is about 11002.4190067457. The cubic root of 121053224 is about 494.6812545092.

The spelling of 121053224 in words is "one hundred twenty-one million, fifty-three thousand, two hundred twenty-four".