102997 has 4 divisors (see below), whose sum is σ = 103936. Its totient is φ = 102060.

The previous prime is 102983. The next prime is 103001. The reversal of 102997 is 799201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 102997 - 2¹⁵ = 70229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102967) 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, 279 + ... + 532.

It is an arithmetic number, because the mean of its divisors is an integer number (25984).

2¹⁰²⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

102997 is a deficient number, since it is larger than the sum of its proper divisors (939).

102997 is an equidigital number, since it uses as much as digits as its factorization.

102997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 102997 is about 320.9314568564. The cubic root of 102997 is about 46.8750263704.

The spelling of 102997 in words is "one hundred two thousand, nine hundred ninety-seven".