124272222531 has 4 divisors (see below), whose sum is σ = 165696296712. Its totient is φ = 82848148352.

The previous prime is 124272222443. The next prime is 124272222539. The reversal of 124272222531 is 135222272421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124272222531 - 2¹⁵ = 124272189763 is a prime.

It is a super-2 number, since 2×124272222531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124272222492 and 124272222501.

It is not an unprimeable number, because it can be changed into a prime (124272222539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20712037086 + ... + 20712037091.

It is an arithmetic number, because the mean of its divisors is an integer number (41424074178).

Almost surely, 2^124272222531 is an apocalyptic number.

124272222531 is a deficient number, since it is larger than the sum of its proper divisors (41424074181).

124272222531 is an equidigital number, since it uses as much as digits as its factorization.

124272222531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41424074180.

The product of its digits is 26880, while the sum is 33.

Adding to 124272222531 its reverse (135222272421), we get a palindrome (259494494952).

The spelling of 124272222531 in words is "one hundred twenty-four billion, two hundred seventy-two million, two hundred twenty-two thousand, five hundred thirty-one".