124431320041 has 4 divisors (see below), whose sum is σ = 142207222912. Its totient is φ = 106655417172.

The previous prime is 124431319997. The next prime is 124431320051. The reversal of 124431320041 is 140023134421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140023134421 = 103 ⋅1359447907.

It is a cyclic number.

It is not a de Polignac number, because 124431320041 - 2¹⁵ = 124431287273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124431319988 and 124431320015.

It is not an unprimeable number, because it can be changed into a prime (124431320051) 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, 8887951425 + ... + 8887951438.

It is an arithmetic number, because the mean of its divisors is an integer number (35551805728).

Almost surely, 2^124431320041 is an apocalyptic number.

It is an amenable number.

124431320041 is a deficient number, since it is larger than the sum of its proper divisors (17775902871).

124431320041 is an equidigital number, since it uses as much as digits as its factorization.

124431320041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17775902870.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 124431320041 its reverse (140023134421), we get a palindrome (264454454462).

The spelling of 124431320041 in words is "one hundred twenty-four billion, four hundred thirty-one million, three hundred twenty thousand, forty-one".