121911044 has 24 divisors (see below), whose sum is σ = 218574720. Its totient is φ = 59469536.

The previous prime is 121910963. The next prime is 121911071. The reversal of 121911044 is 440119121.

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 in 7 ways as a sum of consecutive naturals, for example, 72299 + ... + 73965.

It is an arithmetic number, because the mean of its divisors is an integer number (9107280).

Almost surely, 2^121911044 is an apocalyptic number.

It is an amenable number.

121911044 is a deficient number, since it is larger than the sum of its proper divisors (96663676).

121911044 is a wasteful number, since it uses less digits than its factorization.

121911044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2105 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 121911044 is about 11041.3334339653. Note that the first 3 decimals coincide. The cubic root of 121911044 is about 495.8469925636.

The spelling of 121911044 in words is "one hundred twenty-one million, nine hundred eleven thousand, forty-four".