124405230431 has 2 divisors, whose sum is σ = 124405230432. Its totient is φ = 124405230430.

The previous prime is 124405230409. The next prime is 124405230463. The reversal of 124405230431 is 134032504421.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124405230431 is a prime.

It is a super-2 number, since 2×124405230431² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 124405230394 and 124405230403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124405230931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62202615215 + 62202615216.

It is an arithmetic number, because the mean of its divisors is an integer number (62202615216).

Almost surely, 2^124405230431 is an apocalyptic number.

124405230431 is a deficient number, since it is larger than the sum of its proper divisors (1).

124405230431 is an equidigital number, since it uses as much as digits as its factorization.

124405230431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 124405230431 its reverse (134032504421), we get a palindrome (258437734852).

The spelling of 124405230431 in words is "one hundred twenty-four billion, four hundred five million, two hundred thirty thousand, four hundred thirty-one".