124022340402421 has 4 divisors (see below), whose sum is σ = 124023293297344. Its totient is φ = 124021387507500.

The previous prime is 124022340402403. The next prime is 124022340402439. The reversal of 124022340402421 is 124204043220421.

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 an interprime number because it is at equal distance from previous prime (124022340402403) and next prime (124022340402439).

It is a cyclic number.

It is not a de Polignac number, because 124022340402421 - 2²⁷ = 124022206184693 is a prime.

It is a super-2 number, since 2×124022340402421² (a number of 29 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 (124022340502421) 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, 476252205 + ... + 476512546.

It is an arithmetic number, because the mean of its divisors is an integer number (31005823324336).

Almost surely, 2^{124022340402421} is an apocalyptic number.

It is an amenable number.

124022340402421 is a deficient number, since it is larger than the sum of its proper divisors (952894923).

124022340402421 is an equidigital number, since it uses as much as digits as its factorization.

124022340402421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952894922.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 124022340402421 its reverse (124204043220421), we get a palindrome (248226383622842).

The spelling of 124022340402421 in words is "one hundred twenty-four trillion, twenty-two billion, three hundred forty million, four hundred two thousand, four hundred twenty-one".