124424421 has 24 divisors (see below), whose sum is σ = 188251392. Its totient is φ = 72969600.

The previous prime is 124424393. The next prime is 124424423.

124424421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 124424421 - 2⁵ = 124424389 is a prime.

It is a super-3 number, since 3×124424421³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124424391 and 124424400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124424423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5725 + ... + 16781.

It is an arithmetic number, because the mean of its divisors is an integer number (7843808).

Almost surely, 2^124424421 is an apocalyptic number.

124424421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124424421 is a deficient number, since it is larger than the sum of its proper divisors (63826971).

124424421 is a wasteful number, since it uses less digits than its factorization.

124424421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11113 (or 11102 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 124424421 is about 11154.5695120879. The cubic root of 124424421 is about 499.2313803866.

The spelling of 124424421 in words is "one hundred twenty-four million, four hundred twenty-four thousand, four hundred twenty-one".