124431420403 has 4 divisors (see below), whose sum is σ = 124441965648. Its totient is φ = 124420875160.

The previous prime is 124431420359. The next prime is 124431420419. The reversal of 124431420403 is 304024134421.

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 124431420403 - 2²⁹ = 123894549491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124431420203) 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, 5254903 + ... + 5278528.

It is an arithmetic number, because the mean of its divisors is an integer number (31110491412).

Almost surely, 2^124431420403 is an apocalyptic number.

124431420403 is a deficient number, since it is larger than the sum of its proper divisors (10545245).

124431420403 is a wasteful number, since it uses less digits than its factorization.

124431420403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10545244.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 124431420403 its reverse (304024134421), we get a palindrome (428455554824).

The spelling of 124431420403 in words is "one hundred twenty-four billion, four hundred thirty-one million, four hundred twenty thousand, four hundred three".