104900987 has 2 divisors, whose sum is σ = 104900988. Its totient is φ = 104900986.

The previous prime is 104900977. The next prime is 104901047. The reversal of 104900987 is 789009401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104900987 is a prime.

It is a super-2 number, since 2×104900987² = 22008434147148338, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104900987.

It is not a weakly prime, because it can be changed into another prime (104900947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52450493 + 52450494.

It is an arithmetic number, because the mean of its divisors is an integer number (52450494).

Almost surely, 2^104900987 is an apocalyptic number.

104900987 is a deficient number, since it is larger than the sum of its proper divisors (1).

104900987 is an equidigital number, since it uses as much as digits as its factorization.

104900987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 104900987 is about 10242.1182867608. The cubic root of 104900987 is about 471.6210615436.

The spelling of 104900987 in words is "one hundred four million, nine hundred thousand, nine hundred eighty-seven".