44432121 has 4 divisors (see below), whose sum is σ = 59242832. Its totient is φ = 29621412.

The previous prime is 44432119. The next prime is 44432131. The reversal of 44432121 is 12123444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 44432121 - 2¹ = 44432119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44432131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7405351 + ... + 7405356.

It is an arithmetic number, because the mean of its divisors is an integer number (14810708).

Almost surely, 2^44432121 is an apocalyptic number.

It is an amenable number.

44432121 is a deficient number, since it is larger than the sum of its proper divisors (14810711).

44432121 is a wasteful number, since it uses less digits than its factorization.

44432121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14810710.

The product of its digits is 768, while the sum is 21.

The square root of 44432121 is about 6665.7423442554. The cubic root of 44432121 is about 354.1867809999.

Adding to 44432121 its reverse (12123444), we get a palindrome (56555565).

The spelling of 44432121 in words is "forty-four million, four hundred thirty-two thousand, one hundred twenty-one".