124320031 has 16 divisors (see below), whose sum is σ = 144432288. Its totient is φ = 105753600.

The previous prime is 124320011. The next prime is 124320067. The reversal of 124320031 is 130023421.

It is a happy number.

It is not a de Polignac number, because 124320031 - 2⁵ = 124319999 is a prime.

It is a super-2 number, since 2×124320031² = 30910940215681922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124319987 and 124320014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124320011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32011 + ... + 35683.

It is an arithmetic number, because the mean of its divisors is an integer number (9027018).

Almost surely, 2^124320031 is an apocalyptic number.

124320031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124320031 is a deficient number, since it is larger than the sum of its proper divisors (20112257).

124320031 is a wasteful number, since it uses less digits than its factorization.

124320031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 124320031 is about 11149.8892819615. The cubic root of 124320031 is about 499.0917257415.

Adding to 124320031 its reverse (130023421), we get a palindrome (254343452).

The spelling of 124320031 in words is "one hundred twenty-four million, three hundred twenty thousand, thirty-one".