124431229 has 4 divisors (see below), whose sum is σ = 134002876. Its totient is φ = 114859584.

The previous prime is 124431163. The next prime is 124431233. The reversal of 124431229 is 922134421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10432900 + 113998329 = 3230^2 + 10677^2 .

It is a cyclic number.

It is not a de Polignac number, because 124431229 - 2¹¹ = 124429181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124431197 and 124431206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124431299) 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, 4785804 + ... + 4785829.

It is an arithmetic number, because the mean of its divisors is an integer number (33500719).

Almost surely, 2^124431229 is an apocalyptic number.

It is an amenable number.

124431229 is a deficient number, since it is larger than the sum of its proper divisors (9571647).

124431229 is an equidigital number, since it uses as much as digits as its factorization.

124431229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9571646.

The product of its digits is 3456, while the sum is 28.

The square root of 124431229 is about 11154.8746743296. The cubic root of 124431229 is about 499.2404855264.

The spelling of 124431229 in words is "one hundred twenty-four million, four hundred thirty-one thousand, two hundred twenty-nine".