44121437 has 2 divisors, whose sum is σ = 44121438. Its totient is φ = 44121436.

The previous prime is 44121431. The next prime is 44121449. The reversal of 44121437 is 73412144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34916281 + 9205156 = 5909^2 + 3034^2 .

It is a cyclic number.

It is not a de Polignac number, because 44121437 - 2²² = 39927133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44121431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22060718 + 22060719.

It is an arithmetic number, because the mean of its divisors is an integer number (22060719).

Almost surely, 2^44121437 is an apocalyptic number.

It is an amenable number.

44121437 is a deficient number, since it is larger than the sum of its proper divisors (1).

44121437 is an equidigital number, since it uses as much as digits as its factorization.

44121437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 26.

The square root of 44121437 is about 6642.3969318312. The cubic root of 44121437 is about 353.3593192193.

The spelling of 44121437 in words is "forty-four million, one hundred twenty-one thousand, four hundred thirty-seven".