124332391 has 2 divisors, whose sum is σ = 124332392. Its totient is φ = 124332390.

The previous prime is 124332389. The next prime is 124332401. The reversal of 124332391 is 193233421.

124332391 is nontrivially palindromic in base 16.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124332391 - 2¹ = 124332389 is a prime.

Together with 124332389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124332301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62166195 + 62166196.

It is an arithmetic number, because the mean of its divisors is an integer number (62166196).

Almost surely, 2^124332391 is an apocalyptic number.

124332391 is a deficient number, since it is larger than the sum of its proper divisors (1).

124332391 is an equidigital number, since it uses as much as digits as its factorization.

124332391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 124332391 is about 11150.4435337793. The cubic root of 124332391 is about 499.1082652303.

The spelling of 124332391 in words is "one hundred twenty-four million, three hundred thirty-two thousand, three hundred ninety-one".