124401431 has 24 divisors (see below), whose sum is σ = 157288992. Its totient is φ = 96307200.

The previous prime is 124401383. The next prime is 124401439. The reversal of 124401431 is 134104421.

It is a de Polignac number, because none of the positive numbers 2^k-124401431 is a prime.

It is a super-2 number, since 2×124401431² = 30951432069695522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124401439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163091 + ... + 163851.

It is an arithmetic number, because the mean of its divisors is an integer number (6553708).

Almost surely, 2^124401431 is an apocalyptic number.

124401431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124401431 is a deficient number, since it is larger than the sum of its proper divisors (32887561).

124401431 is a wasteful number, since it uses less digits than its factorization.

124401431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 124401431 is about 11153.5389451062. The cubic root of 124401431 is about 499.2006306985.

Adding to 124401431 its reverse (134104421), we get a palindrome (258505852).

The spelling of 124401431 in words is "one hundred twenty-four million, four hundred one thousand, four hundred thirty-one".