121044004 has 9 divisors (see below), whose sum is σ = 211865521. Its totient is φ = 60511000.

The previous prime is 121043981. The next prime is 121044031. The reversal of 121044004 is 400440121.

The square root of 121044004 is 11002.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 118853604 + 2190400 = 10902^2 + 1480^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19254 + ... + 24754.

Almost surely, 2^121044004 is an apocalyptic number.

121044004 is the 11002-nd square number.

It is an amenable number.

121044004 is a deficient number, since it is larger than the sum of its proper divisors (90821517).

121044004 is an frugal number, since it uses more digits than its factorization.

121044004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11006 (or 5503 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The cubic root of 121044004 is about 494.6686950833.

Multiplying 121044004 by its sum of digits (16), we get a square (1936704064 = 44008²).

Adding to 121044004 its reverse (400440121), we get a palindrome (521484125).

The spelling of 121044004 in words is "one hundred twenty-one million, forty-four thousand, four".