124425135031 has 4 divisors (see below), whose sum is σ = 127459894464. Its totient is φ = 121390375600.

The previous prime is 124425134941. The next prime is 124425135059. The reversal of 124425135031 is 130531524421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124425135031 is a prime.

It is a super-2 number, since 2×124425135031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124425134984 and 124425135002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124425135091) 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, 1517379655 + ... + 1517379736.

It is an arithmetic number, because the mean of its divisors is an integer number (31864973616).

Almost surely, 2^124425135031 is an apocalyptic number.

124425135031 is a deficient number, since it is larger than the sum of its proper divisors (3034759433).

124425135031 is an equidigital number, since it uses as much as digits as its factorization.

124425135031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034759432.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 124425135031 its reverse (130531524421), we get a palindrome (254956659452).

The spelling of 124425135031 in words is "one hundred twenty-four billion, four hundred twenty-five million, one hundred thirty-five thousand, thirty-one".