121508244 has 72 divisors (see below), whose sum is σ = 360857952. Its totient is φ = 33986880.

The previous prime is 121508227. The next prime is 121508267. The reversal of 121508244 is 442805121.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6654 + ... + 16949.

It is an arithmetic number, because the mean of its divisors is an integer number (5011916).

Almost surely, 2^121508244 is an apocalyptic number.

It is an amenable number.

121508244 is an abundant number, since it is smaller than the sum of its proper divisors (239349708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121508244 is a wasteful number, since it uses less digits than its factorization.

121508244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23637 (or 23632 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 121508244 is about 11023.0777916152. The cubic root of 121508244 is about 495.3002891748.

The spelling of 121508244 in words is "one hundred twenty-one million, five hundred eight thousand, two hundred forty-four".