124045405123 has 2 divisors, whose sum is σ = 124045405124. Its totient is φ = 124045405122.

The previous prime is 124045405103. The next prime is 124045405147. The reversal of 124045405123 is 321504540421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124045405123 - 2²⁵ = 124011850691 is a prime.

It is not a weakly prime, because it can be changed into another prime (124045405103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62022702561 + 62022702562.

It is an arithmetic number, because the mean of its divisors is an integer number (62022702562).

Almost surely, 2^124045405123 is an apocalyptic number.

124045405123 is a deficient number, since it is larger than the sum of its proper divisors (1).

124045405123 is an equidigital number, since it uses as much as digits as its factorization.

124045405123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 124045405123 its reverse (321504540421), we get a palindrome (445549945544).

The spelling of 124045405123 in words is "one hundred twenty-four billion, forty-five million, four hundred five thousand, one hundred twenty-three".