102004997 has 2 divisors, whose sum is σ = 102004998. Its totient is φ = 102004996.

The previous prime is 102004951. The next prime is 102005063. The reversal of 102004997 is 799400201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62742241 + 39262756 = 7921^2 + 6266^2 .

It is a cyclic number.

It is not a de Polignac number, because 102004997 - 2⁶ = 102004933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102004907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51002498 + 51002499.

It is an arithmetic number, because the mean of its divisors is an integer number (51002499).

Almost surely, 2^102004997 is an apocalyptic number.

It is an amenable number.

102004997 is a deficient number, since it is larger than the sum of its proper divisors (1).

102004997 is an equidigital number, since it uses as much as digits as its factorization.

102004997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 102004997 is about 10099.7523236959. The cubic root of 102004997 is about 467.2405026543.

The spelling of 102004997 in words is "one hundred two million, four thousand, nine hundred ninety-seven".