124342424243421 has 128 divisors (see below), whose sum is σ = 182883673290240. Its totient is φ = 74824114176000.

The previous prime is 124342424243399. The next prime is 124342424243459.

124342424243421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 124342424243421 - 2⁹ = 124342424242909 is a prime.

It is a super-2 number, since 2×124342424243421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124342424243221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 68659537606 + ... + 68659539416.

It is an arithmetic number, because the mean of its divisors is an integer number (1428778697580).

Almost surely, 2^{124342424243421} is an apocalyptic number.

It is an amenable number.

124342424243421 is a deficient number, since it is larger than the sum of its proper divisors (58541249046819).

124342424243421 is a wasteful number, since it uses less digits than its factorization.

124342424243421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375.

The product of its digits is 1179648, while the sum is 42.

The spelling of 124342424243421 in words is "one hundred twenty-four trillion, three hundred forty-two billion, four hundred twenty-four million, two hundred forty-three thousand, four hundred twenty-one".