124255423109 has 4 divisors (see below), whose sum is σ = 130795182240. Its totient is φ = 117715663980.

The previous prime is 124255423091. The next prime is 124255423111. The reversal of 124255423109 is 901324552421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 124255423109 - 2⁸ = 124255422853 is a prime.

It is a super-2 number, since 2×124255423109² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124255423009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3269879537 + ... + 3269879574.

It is an arithmetic number, because the mean of its divisors is an integer number (32698795560).

Almost surely, 2^124255423109 is an apocalyptic number.

124255423109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

124255423109 is a deficient number, since it is larger than the sum of its proper divisors (6539759131).

124255423109 is an equidigital number, since it uses as much as digits as its factorization.

124255423109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539759130.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 124255423109 in words is "one hundred twenty-four billion, two hundred fifty-five million, four hundred twenty-three thousand, one hundred nine".