102970199 has 2 divisors, whose sum is σ = 102970200. Its totient is φ = 102970198.

The previous prime is 102970193. The next prime is 102970243. The reversal of 102970199 is 991079201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102970199 - 2⁴ = 102970183 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 (102970193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51485099 + 51485100.

It is an arithmetic number, because the mean of its divisors is an integer number (51485100).

Almost surely, 2^102970199 is an apocalyptic number.

102970199 is a deficient number, since it is larger than the sum of its proper divisors (1).

102970199 is an equidigital number, since it uses as much as digits as its factorization.

102970199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 38.

The square root of 102970199 is about 10147.4232689880. The cubic root of 102970199 is about 468.7096021126.

The spelling of 102970199 in words is "one hundred two million, nine hundred seventy thousand, one hundred ninety-nine".