121505044 has 24 divisors (see below), whose sum is σ = 226074240. Its totient is φ = 57012384.

The previous prime is 121505023. The next prime is 121505053. The reversal of 121505044 is 440505121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7584 + ... + 17335.

It is an arithmetic number, because the mean of its divisors is an integer number (9419760).

Almost surely, 2^121505044 is an apocalyptic number.

It is an amenable number.

121505044 is a deficient number, since it is larger than the sum of its proper divisors (104569196).

121505044 is a wasteful number, since it uses less digits than its factorization.

121505044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24999 (or 24997 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 121505044 is about 11022.9326406361. The cubic root of 121505044 is about 495.2959411163.

The spelling of 121505044 in words is "one hundred twenty-one million, five hundred five thousand, forty-four".