124624221 has 16 divisors (see below), whose sum is σ = 169075200. Its totient is φ = 81634608.

The previous prime is 124624217. The next prime is 124624273. The reversal of 124624221 is 122426421.

It is a happy number.

It is not a de Polignac number, because 124624221 - 2² = 124624217 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 124624191 and 124624200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124622221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148120 + ... + 148958.

It is an arithmetic number, because the mean of its divisors is an integer number (10567200).

Almost surely, 2^124624221 is an apocalyptic number.

It is an amenable number.

124624221 is a deficient number, since it is larger than the sum of its proper divisors (44450979).

124624221 is an equidigital number, since it uses as much as digits as its factorization.

124624221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648.

The product of its digits is 1536, while the sum is 24.

The square root of 124624221 is about 11163.5218905147. The cubic root of 124624221 is about 499.4984584136.

The spelling of 124624221 in words is "one hundred twenty-four million, six hundred twenty-four thousand, two hundred twenty-one".