124213231 has 8 divisors (see below), whose sum is σ = 129402000. Its totient is φ = 119127360.

The previous prime is 124213217. The next prime is 124213267. The reversal of 124213231 is 132312421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124213231 - 2¹⁷ = 124082159 is a prime.

It is a super-2 number, since 2×124213231² = 30857853510918722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124213199 and 124213208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124213631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23256 + ... + 28093.

It is an arithmetic number, because the mean of its divisors is an integer number (16175250).

Almost surely, 2^124213231 is an apocalyptic number.

124213231 is a deficient number, since it is larger than the sum of its proper divisors (5188769).

124213231 is an equidigital number, since it uses as much as digits as its factorization.

124213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51449.

The product of its digits is 288, while the sum is 19.

The square root of 124213231 is about 11145.0989677077. The cubic root of 124213231 is about 498.9487660299.

Adding to 124213231 its reverse (132312421), we get a palindrome (256525652).

The spelling of 124213231 in words is "one hundred twenty-four million, two hundred thirteen thousand, two hundred thirty-one".