124132101231421 has 4 divisors (see below), whose sum is σ = 129529149111072. Its totient is φ = 118735053351772.

The previous prime is 124132101231407. The next prime is 124132101231521.

124132101231421 is nontrivially palindromic in base 10.

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 124132101231421 - 2²⁹ = 124131564360509 is a prime.

It is a super-2 number, since 2×124132101231421² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124132101231421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124132101231521) 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, 2698523939791 + ... + 2698523939836.

It is an arithmetic number, because the mean of its divisors is an integer number (32382287277768).

Almost surely, 2^{124132101231421} is an apocalyptic number.

It is an amenable number.

124132101231421 is a deficient number, since it is larger than the sum of its proper divisors (5397047879651).

124132101231421 is an equidigital number, since it uses as much as digits as its factorization.

124132101231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397047879650.

The product of its (nonzero) digits is 2304, while the sum is 28.

It can be divided in two parts, 12413210 and 1231421, that added together give a palindrome (13644631).

The spelling of 124132101231421 in words is "one hundred twenty-four trillion, one hundred thirty-two billion, one hundred one million, two hundred thirty-one thousand, four hundred twenty-one".