44131124121 has 32 divisors (see below), whose sum is σ = 71882754048. Its totient is φ = 23533023360.

The previous prime is 44131124099. The next prime is 44131124137. The reversal of 44131124121 is 12142113144.

It is a happy number.

It is not a de Polignac number, because 44131124121 - 2¹⁴ = 44131107737 is a prime.

It is a super-2 number, since 2×44131124121² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44131124091 and 44131124100.

It is not an unprimeable number, because it can be changed into a prime (44131124161) 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 31 ways as a sum of consecutive naturals, for example, 1094451 + ... + 1134056.

It is an arithmetic number, because the mean of its divisors is an integer number (2246336064).

Almost surely, 2^44131124121 is an apocalyptic number.

44131124121 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44131124121 is a deficient number, since it is larger than the sum of its proper divisors (27751629927).

44131124121 is a wasteful number, since it uses less digits than its factorization.

44131124121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228581.

The product of its digits is 768, while the sum is 24.

Adding to 44131124121 its reverse (12142113144), we get a palindrome (56273237265).

The spelling of 44131124121 in words is "forty-four billion, one hundred thirty-one million, one hundred twenty-four thousand, one hundred twenty-one".