44861121 has 20 divisors (see below), whose sum is σ = 67330692. Its totient is φ = 29766528.

The previous prime is 44861119. The next prime is 44861129. The reversal of 44861121 is 12116844.

It is a happy number.

44861121 is a `hidden beast` number, since 4 + 48 + 611 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13220496 + 31640625 = 3636^2 + 5625^2 .

It is not a de Polignac number, because 44861121 - 2¹ = 44861119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (44861129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17685 + ... + 20061.

Almost surely, 2^44861121 is an apocalyptic number.

It is an amenable number.

44861121 is a deficient number, since it is larger than the sum of its proper divisors (22469571).

44861121 is a wasteful number, since it uses less digits than its factorization.

44861121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622 (or 2613 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 44861121 is about 6697.8445040177. The cubic root of 44861121 is about 355.3230439085.

Adding to 44861121 its reverse (12116844), we get a palindrome (56977965).

The spelling of 44861121 in words is "forty-four million, eight hundred sixty-one thousand, one hundred twenty-one".