124402431 has 8 divisors (see below), whose sum is σ = 171589680. Its totient is φ = 80075072.

The previous prime is 124402429. The next prime is 124402433. The reversal of 124402431 is 134204421.

It is an interprime number because it is at equal distance from previous prime (124402429) and next prime (124402433).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124402431 - 2¹ = 124402429 is a prime.

It is a super-2 number, since 2×124402431² = 30951929677419522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124402398 and 124402407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124402433) 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 7 ways as a sum of consecutive naturals, for example, 714870 + ... + 715043.

It is an arithmetic number, because the mean of its divisors is an integer number (21448710).

Almost surely, 2^124402431 is an apocalyptic number.

124402431 is a deficient number, since it is larger than the sum of its proper divisors (47187249).

124402431 is a wasteful number, since it uses less digits than its factorization.

124402431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429945.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 124402431 is about 11153.5837738370. The cubic root of 124402431 is about 499.2019683018.

Adding to 124402431 its reverse (134204421), we get a palindrome (258606852).

The spelling of 124402431 in words is "one hundred twenty-four million, four hundred two thousand, four hundred thirty-one".