124888421 has 4 divisors (see below), whose sum is σ = 142729632. Its totient is φ = 107047212.

The previous prime is 124888399. The next prime is 124888441.

124888421 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 a de Polignac number, because none of the positive numbers 2^k-124888421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124888441) 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, 8920595 + ... + 8920608.

It is an arithmetic number, because the mean of its divisors is an integer number (35682408).

Almost surely, 2^124888421 is an apocalyptic number.

It is an amenable number.

124888421 is a deficient number, since it is larger than the sum of its proper divisors (17841211).

124888421 is an equidigital number, since it uses as much as digits as its factorization.

124888421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17841210.

The product of its digits is 32768, while the sum is 38.

The square root of 124888421 is about 11175.3488088739. The cubic root of 124888421 is about 499.8511837118.

The spelling of 124888421 in words is "one hundred twenty-four million, eight hundred eighty-eight thousand, four hundred twenty-one".