44195121 has 48 divisors (see below), whose sum is σ = 74355840. Its totient is φ = 25090560.

The previous prime is 44195117. The next prime is 44195147. The reversal of 44195121 is 12159144.

It is not a de Polignac number, because 44195121 - 2² = 44195117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44195161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66531 + ... + 67191.

It is an arithmetic number, because the mean of its divisors is an integer number (1549080).

Almost surely, 2^44195121 is an apocalyptic number.

It is an amenable number.

44195121 is a deficient number, since it is larger than the sum of its proper divisors (30160719).

44195121 is a wasteful number, since it uses less digits than its factorization.

44195121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 723 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 44195121 is about 6647.9411098475. The cubic root of 44195121 is about 353.5559163775. Note that the first 3 decimals are identical.

The spelling of 44195121 in words is "forty-four million, one hundred ninety-five thousand, one hundred twenty-one".