124203431 has 4 divisors (see below), whose sum is σ = 135494664. Its totient is φ = 112912200.

The previous prime is 124203407. The next prime is 124203439. The reversal of 124203431 is 134302421.

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 124203431 - 2⁶ = 124203367 is a prime.

It is a super-2 number, since 2×124203431² = 30852984544343522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124203439) 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, 5645600 + ... + 5645621.

It is an arithmetic number, because the mean of its divisors is an integer number (33873666).

Almost surely, 2^124203431 is an apocalyptic number.

124203431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124203431 is a deficient number, since it is larger than the sum of its proper divisors (11291233).

124203431 is a wasteful number, since it uses less digits than its factorization.

124203431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11291232.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 124203431 is about 11144.6593038998. The cubic root of 124203431 is about 498.9356438999.

Adding to 124203431 its reverse (134302421), we get a palindrome (258505852).

It can be divided in two parts, 12420 and 3431, that added together give a palindrome (15851).

The spelling of 124203431 in words is "one hundred twenty-four million, two hundred three thousand, four hundred thirty-one".