18124037 has 2 divisors, whose sum is σ = 18124038. Its totient is φ = 18124036.

The previous prime is 18124031. The next prime is 18124061. The reversal of 18124037 is 73042181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10278436 + 7845601 = 3206^2 + 2801^2 .

It is a cyclic number.

It is not a de Polignac number, because 18124037 - 2⁴ = 18124021 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18123997 and 18124015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18124031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9062018 + 9062019.

It is an arithmetic number, because the mean of its divisors is an integer number (9062019).

Almost surely, 2^18124037 is an apocalyptic number.

It is an amenable number.

18124037 is a deficient number, since it is larger than the sum of its proper divisors (1).

18124037 is an equidigital number, since it uses as much as digits as its factorization.

18124037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 18124037 is about 4257.2334913650. The cubic root of 18124037 is about 262.6747413996.

The spelling of 18124037 in words is "eighteen million, one hundred twenty-four thousand, thirty-seven".