124141122421 has 4 divisors (see below), whose sum is σ = 127028125312. Its totient is φ = 121254119532.

The previous prime is 124141122407. The next prime is 124141122463. The reversal of 124141122421 is 124221141421.

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 124141122421 - 2⁷ = 124141122293 is a prime.

It is a super-3 number, since 3×124141122421³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124141122401) 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, 1443501381 + ... + 1443501466.

It is an arithmetic number, because the mean of its divisors is an integer number (31757031328).

Almost surely, 2^124141122421 is an apocalyptic number.

It is an amenable number.

124141122421 is a deficient number, since it is larger than the sum of its proper divisors (2887002891).

124141122421 is an equidigital number, since it uses as much as digits as its factorization.

124141122421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887002890.

The product of its digits is 1024, while the sum is 25.

Adding to 124141122421 its reverse (124221141421), we get a palindrome (248362263842).

The spelling of 124141122421 in words is "one hundred twenty-four billion, one hundred forty-one million, one hundred twenty-two thousand, four hundred twenty-one".