124204434391 has 2 divisors, whose sum is σ = 124204434392. Its totient is φ = 124204434390.

The previous prime is 124204434371. The next prime is 124204434433. The reversal of 124204434391 is 193434402421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124204434391 - 2⁵ = 124204434359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124204434391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124204434371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62102217195 + 62102217196.

It is an arithmetic number, because the mean of its divisors is an integer number (62102217196).

Almost surely, 2^124204434391 is an apocalyptic number.

124204434391 is a deficient number, since it is larger than the sum of its proper divisors (1).

124204434391 is an equidigital number, since it uses as much as digits as its factorization.

124204434391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 124204434391 in words is "one hundred twenty-four billion, two hundred four million, four hundred thirty-four thousand, three hundred ninety-one".