44887121 has 2 divisors, whose sum is σ = 44887122. Its totient is φ = 44887120.

The previous prime is 44887097. The next prime is 44887151. The reversal of 44887121 is 12178844.

44887121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44742721 + 144400 = 6689^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 44887121 - 2⁶ = 44887057 is a prime.

It is not a weakly prime, because it can be changed into another prime (44887151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22443560 + 22443561.

It is an arithmetic number, because the mean of its divisors is an integer number (22443561).

Almost surely, 2^44887121 is an apocalyptic number.

It is an amenable number.

44887121 is a deficient number, since it is larger than the sum of its proper divisors (1).

44887121 is an equidigital number, since it uses as much as digits as its factorization.

44887121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14336, while the sum is 35.

The square root of 44887121 is about 6699.7851458088. The cubic root of 44887121 is about 355.3916750881.

The spelling of 44887121 in words is "forty-four million, eight hundred eighty-seven thousand, one hundred twenty-one".