12124031 has 4 divisors (see below), whose sum is σ = 12294864. Its totient is φ = 11953200.

The previous prime is 12123977. The next prime is 12124061. The reversal of 12124031 is 13042121.

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

It is a cyclic number.

It is not a de Polignac number, because 12124031 - 2¹⁴ = 12107647 is a prime.

It is a super-2 number, since 2×12124031² = 293984255377922, 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 = 12123997 and 12124015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85310 + ... + 85451.

It is an arithmetic number, because the mean of its divisors is an integer number (3073716).

Almost surely, 2^12124031 is an apocalyptic number.

12124031 is a deficient number, since it is larger than the sum of its proper divisors (170833).

12124031 is an equidigital number, since it uses as much as digits as its factorization.

12124031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170832.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12124031 is about 3481.9579262248. The cubic root of 12124031 is about 229.7289244952.

Adding to 12124031 its reverse (13042121), we get a palindrome (25166152).

The spelling of 12124031 in words is "twelve million, one hundred twenty-four thousand, thirty-one".