121045444 has 12 divisors (see below), whose sum is σ = 228124204. Its totient is φ = 55867104.

The previous prime is 121045433. The next prime is 121045469. The reversal of 121045444 is 444540121.

It can be written as a sum of positive squares in 2 ways, for example, as 42510400 + 78535044 = 6520^2 + 8862^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163847 + ... + 1163950.

Almost surely, 2^121045444 is an apocalyptic number.

It is an amenable number.

121045444 is a deficient number, since it is larger than the sum of its proper divisors (107078760).

121045444 is a wasteful number, since it uses less digits than its factorization.

121045444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2327814 (or 2327812 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 121045444 is about 11002.0654424522. The cubic root of 121045444 is about 494.6706566843.

Adding to 121045444 its reverse (444540121), we get a palindrome (565585565).

The spelling of 121045444 in words is "one hundred twenty-one million, forty-five thousand, four hundred forty-four".