124311113421 has 16 divisors (see below), whose sum is σ = 180827404608. Its totient is φ = 75335385600.

The previous prime is 124311113419. The next prime is 124311113441.

124311113421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 124311113421 - 2¹ = 124311113419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124311113391 and 124311113400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124311113441) 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 15 ways as a sum of consecutive naturals, for example, 465051 + ... + 681831.

It is an arithmetic number, because the mean of its divisors is an integer number (11301712788).

Almost surely, 2^124311113421 is an apocalyptic number.

124311113421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124311113421 is a deficient number, since it is larger than the sum of its proper divisors (56516291187).

124311113421 is a wasteful number, since it uses less digits than its factorization.

124311113421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234172.

The product of its digits is 576, while the sum is 24.

It can be divided in two parts, 124311 and 113421, that added together give a palindrome (237732).

The spelling of 124311113421 in words is "one hundred twenty-four billion, three hundred eleven million, one hundred thirteen thousand, four hundred twenty-one".