104124157 has 2 divisors, whose sum is σ = 104124158. Its totient is φ = 104124156.

The previous prime is 104124109. The next prime is 104124169. The reversal of 104124157 is 751421401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75672601 + 28451556 = 8699^2 + 5334^2 .

It is an emirp because it is prime and its reverse (751421401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104124157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104124187) 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 as a sum of consecutive naturals, namely, 52062078 + 52062079.

It is an arithmetic number, because the mean of its divisors is an integer number (52062079).

Almost surely, 2^104124157 is an apocalyptic number.

It is an amenable number.

104124157 is a deficient number, since it is larger than the sum of its proper divisors (1).

104124157 is an equidigital number, since it uses as much as digits as its factorization.

104124157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 104124157 is about 10204.1245092364. The cubic root of 104124157 is about 470.4540007272.

Adding to 104124157 its reverse (751421401), we get a palindrome (855545558).

The spelling of 104124157 in words is "one hundred four million, one hundred twenty-four thousand, one hundred fifty-seven".