102997659 has 4 divisors (see below), whose sum is σ = 137330216. Its totient is φ = 68665104.

The previous prime is 102997649. The next prime is 102997663. The reversal of 102997659 is 956799201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 956799201 = 3 ⋅318933067.

It is not a de Polignac number, because 102997659 - 2⁸ = 102997403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102997619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17166274 + ... + 17166279.

It is an arithmetic number, because the mean of its divisors is an integer number (34332554).

Almost surely, 2^102997659 is an apocalyptic number.

102997659 is a deficient number, since it is larger than the sum of its proper divisors (34332557).

102997659 is an equidigital number, since it uses as much as digits as its factorization.

102997659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34332556.

The product of its (nonzero) digits is 306180, while the sum is 48.

The square root of 102997659 is about 10148.7762316449. The cubic root of 102997659 is about 468.7512634277.

The spelling of 102997659 in words is "one hundred two million, nine hundred ninety-seven thousand, six hundred fifty-nine".