124103431 has 4 divisors (see below), whose sum is σ = 125803552. Its totient is φ = 122403312.

The previous prime is 124103401. The next prime is 124103437. The reversal of 124103431 is 134301421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134301421 = 281 ⋅477941.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124103431 is a prime.

It is a super-2 number, since 2×124103431² = 30803323171943522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124103399 and 124103408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124103437) 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, 849951 + ... + 850096.

It is an arithmetic number, because the mean of its divisors is an integer number (31450888).

Almost surely, 2^124103431 is an apocalyptic number.

124103431 is a deficient number, since it is larger than the sum of its proper divisors (1700121).

124103431 is an equidigital number, since it uses as much as digits as its factorization.

124103431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700120.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 124103431 is about 11140.1719466084. The cubic root of 124103431 is about 498.8017051397.

Adding to 124103431 its reverse (134301421), we get a palindrome (258404852).

The spelling of 124103431 in words is "one hundred twenty-four million, one hundred three thousand, four hundred thirty-one".