112124123431 has 4 divisors (see below), whose sum is σ = 112210573552. Its totient is φ = 112037673312.

The previous prime is 112124123413. The next prime is 112124123437. The reversal of 112124123431 is 134321421211.

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 112124123431 - 2⁹ = 112124122919 is a prime.

It is a super-2 number, since 2×112124123431² (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 = 112124123396 and 112124123405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112124123437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43223115 + ... + 43225708.

It is an arithmetic number, because the mean of its divisors is an integer number (28052643388).

Almost surely, 2^112124123431 is an apocalyptic number.

112124123431 is a deficient number, since it is larger than the sum of its proper divisors (86450121).

112124123431 is an equidigital number, since it uses as much as digits as its factorization.

112124123431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86450120.

The product of its digits is 1152, while the sum is 25.

Adding to 112124123431 its reverse (134321421211), we get a palindrome (246445544642).

The spelling of 112124123431 in words is "one hundred twelve billion, one hundred twenty-four million, one hundred twenty-three thousand, four hundred thirty-one".