124454421 has 64 divisors (see below), whose sum is σ = 233228800. Its totient is φ = 63872064.

The previous prime is 124454419. The next prime is 124454431.

124454421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 124454421 - 2¹ = 124454419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124454431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3363615 + ... + 3363651.

It is an arithmetic number, because the mean of its divisors is an integer number (3644200).

Almost surely, 2^124454421 is an apocalyptic number.

It is an amenable number.

124454421 is a deficient number, since it is larger than the sum of its proper divisors (108774379).

124454421 is an frugal number, since it uses more digits than its factorization.

124454421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 60 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 124454421 is about 11155.9141714160. The cubic root of 124454421 is about 499.2715004256.

The spelling of 124454421 in words is "one hundred twenty-four million, four hundred fifty-four thousand, four hundred twenty-one".