997102 has 4 divisors (see below), whose sum is σ = 1495656. Its totient is φ = 498550.

The previous prime is 997099. The next prime is 997103. The reversal of 997102 is 201799.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249274 + ... + 249277.

It is an arithmetic number, because the mean of its divisors is an integer number (373914).

2⁹⁹⁷¹⁰² is an apocalyptic number.

997102 is a deficient number, since it is larger than the sum of its proper divisors (498554).

997102 is a wasteful number, since it uses less digits than its factorization.

997102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498553.

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

The square root of 997102 is about 998.5499486756. The cubic root of 997102 is about 99.9033065339.

The spelling of 997102 in words is "nine hundred ninety-seven thousand, one hundred two".