124523136127 has 4 divisors (see below), whose sum is σ = 134101838920. Its totient is φ = 114944433336.

The previous prime is 124523136119. The next prime is 124523136193. The reversal of 124523136127 is 721631325421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124523136127 - 2³ = 124523136119 is a prime.

It is a super-2 number, since 2×124523136127² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124523139127) 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, 4789351377 + ... + 4789351402.

It is an arithmetic number, because the mean of its divisors is an integer number (33525459730).

Almost surely, 2^124523136127 is an apocalyptic number.

124523136127 is a deficient number, since it is larger than the sum of its proper divisors (9578702793).

124523136127 is an equidigital number, since it uses as much as digits as its factorization.

124523136127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9578702792.

The product of its digits is 60480, while the sum is 37.

The spelling of 124523136127 in words is "one hundred twenty-four billion, five hundred twenty-three million, one hundred thirty-six thousand, one hundred twenty-seven".