121124444 has 12 divisors (see below), whose sum is σ = 242248944. Its totient is φ = 51910464.

The previous prime is 121124441. The next prime is 121124489. The reversal of 121124444 is 444421121.

121124444 is an admirable number.

It is a super-2 number, since 2×121124444² = 29342261868618272, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121124441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162909 + ... + 2162964.

It is an arithmetic number, because the mean of its divisors is an integer number (20187412).

Almost surely, 2^121124444 is an apocalyptic number.

121124444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121124444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121124444 is a wasteful number, since it uses less digits than its factorization.

121124444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325884 (or 4325882 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 121124444 is about 11005.6550918153. The cubic root of 121124444 is about 494.7782484616.

Adding to 121124444 its reverse (444421121), we get a palindrome (565545565).

The spelling of 121124444 in words is "one hundred twenty-one million, one hundred twenty-four thousand, four hundred forty-four".