44403121 has 8 divisors (see below), whose sum is σ = 50803200. Its totient is φ = 38017248.

The previous prime is 44403113. The next prime is 44403127. The reversal of 44403121 is 12130444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44403121 - 2³ = 44403113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44403127) 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, 4320 + ... + 10366.

It is an arithmetic number, because the mean of its divisors is an integer number (6350400).

Almost surely, 2^44403121 is an apocalyptic number.

It is an amenable number.

44403121 is a deficient number, since it is larger than the sum of its proper divisors (6400079).

44403121 is a wasteful number, since it uses less digits than its factorization.

44403121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7103.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 44403121 is about 6663.5666875931. The cubic root of 44403121 is about 354.1097072382.

Adding to 44403121 its reverse (12130444), we get a palindrome (56533565).

The spelling of 44403121 in words is "forty-four million, four hundred three thousand, one hundred twenty-one".