124321311 has 20 divisors (see below), whose sum is σ = 187640992. Its totient is φ = 82021248.

The previous prime is 124321303. The next prime is 124321321. The reversal of 124321311 is 113123421.

It is not a de Polignac number, because 124321311 - 2³ = 124321303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124321321) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 55 + ... + 15768.

Almost surely, 2^124321311 is an apocalyptic number.

124321311 is a deficient number, since it is larger than the sum of its proper divisors (63319681).

124321311 is an equidigital number, since it uses as much as digits as its factorization.

124321311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15932 (or 15923 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 124321311 is about 11149.9466814869. The cubic root of 124321311 is about 499.0934386197.

Adding to 124321311 its reverse (113123421), we get a palindrome (237444732).

The spelling of 124321311 in words is "one hundred twenty-four million, three hundred twenty-one thousand, three hundred eleven".