121004444 has 24 divisors (see below), whose sum is σ = 231361536. Its totient is φ = 54918000.

The previous prime is 121004441. The next prime is 121004447. The reversal of 121004444 is 444400121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121004441) and next prime (121004447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121004441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33989 + ... + 37379.

It is an arithmetic number, because the mean of its divisors is an integer number (9640064).

Almost surely, 2^121004444 is an apocalyptic number.

It is an amenable number.

121004444 is a deficient number, since it is larger than the sum of its proper divisors (110357092).

121004444 is a wasteful number, since it uses less digits than its factorization.

121004444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4217 (or 4215 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 121004444 is about 11000.2019981453. The cubic root of 121004444 is about 494.6147994608.

Adding to 121004444 its reverse (444400121), we get a palindrome (565404565).

The spelling of 121004444 in words is "one hundred twenty-one million, four thousand, four hundred forty-four".