124445131 has 2 divisors, whose sum is σ = 124445132. Its totient is φ = 124445130.

The previous prime is 124445093. The next prime is 124445147. The reversal of 124445131 is 131544421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124445131 - 2¹⁵ = 124412363 is a prime.

It is a super-2 number, since 2×124445131² = 30973181259214322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124445096 and 124445105.

It is not a weakly prime, because it can be changed into another prime (124445161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62222565 + 62222566.

It is an arithmetic number, because the mean of its divisors is an integer number (62222566).

Almost surely, 2^124445131 is an apocalyptic number.

124445131 is a deficient number, since it is larger than the sum of its proper divisors (1).

124445131 is an equidigital number, since it uses as much as digits as its factorization.

124445131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1920, while the sum is 25.

The square root of 124445131 is about 11155.4977925685. The cubic root of 124445131 is about 499.2590772760.

Adding to 124445131 its reverse (131544421), we get a palindrome (255989552).

The spelling of 124445131 in words is "one hundred twenty-four million, four hundred forty-five thousand, one hundred thirty-one".