997119 has 12 divisors (see below), whose sum is σ = 1503216. Its totient is φ = 635712.

The previous prime is 997111. The next prime is 997121. The reversal of 997119 is 911799.

It is not a de Polignac number, because 997119 - 2³ = 997111 is a prime.

It is a super-2 number, since 2×997119² = 1988492600322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2202 + ... + 2615.

It is an arithmetic number, because the mean of its divisors is an integer number (125268).

2⁹⁹⁷¹¹⁹ is an apocalyptic number.

997119 is a deficient number, since it is larger than the sum of its proper divisors (506097).

997119 is a wasteful number, since it uses less digits than its factorization.

997119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846 (or 4843 counting only the distinct ones).

The product of its digits is 5103, while the sum is 36.

The square root of 997119 is about 998.5584609826. The cubic root of 997119 is about 99.9038742948.

Subtracting from 997119 its product of digits (5103), we obtain a square (992016 = 996²).

The spelling of 997119 in words is "nine hundred ninety-seven thousand, one hundred nineteen".