121125444 has 24 divisors (see below), whose sum is σ = 308319648. Its totient is φ = 36704640.

The previous prime is 121125419. The next prime is 121125451. The reversal of 121125444 is 444521121.

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, 458677 + ... + 458940.

It is an arithmetic number, because the mean of its divisors is an integer number (12846652).

Almost surely, 2^121125444 is an apocalyptic number.

It is an amenable number.

121125444 is an abundant number, since it is smaller than the sum of its proper divisors (187194204).

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

121125444 is a wasteful number, since it uses less digits than its factorization.

121125444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917635 (or 917633 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 121125444 is about 11005.7005229108. The cubic root of 121125444 is about 494.7796100829.

Adding to 121125444 its reverse (444521121), we get a palindrome (565646565).

The spelling of 121125444 in words is "one hundred twenty-one million, one hundred twenty-five thousand, four hundred forty-four".