124431 has 16 divisors (see below), whose sum is σ = 182400. Its totient is φ = 75168.

The previous prime is 124429. The next prime is 124433. The reversal of 124431 is 134421.

124431 = 39² + 40² + ... + 75².

It is an interprime number because it is at equal distance from previous prime (124429) and next prime (124433).

It is not a de Polignac number, because 124431 - 2¹ = 124429 is a prime.

It is a super-2 number, since 2×124431² = 30966147522, which contains 22 as substring.

It is a plaindrome in base 14.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 124431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2080 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (11400).

2¹²⁴⁴³¹ is an apocalyptic number.

124431 is a deficient number, since it is larger than the sum of its proper divisors (57969).

124431 is a wasteful number, since it uses less digits than its factorization.

124431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118.

The product of its digits is 96, while the sum is 15.

The square root of 124431 is about 352.7477852517. The cubic root of 124431 is about 49.9240179263.

Adding to 124431 its reverse (134421), we get a palindrome (258852).

It can be divided in two parts, 1244 and 31, that added together give a triangular number (1275 = T₅₀).

The spelling of 124431 in words is "one hundred twenty-four thousand, four hundred thirty-one".