1997119 has 2 divisors, whose sum is σ = 1997120. Its totient is φ = 1997118.

The previous prime is 1997111. The next prime is 1997129. The reversal of 1997119 is 9117991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1997119 - 2³ = 1997111 is a prime.

It is a super-3 number, since 3×1997119³ = 23896433331159708477, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1997111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998559 + 998560.

It is an arithmetic number, because the mean of its divisors is an integer number (998560).

2^1997119 is an apocalyptic number.

1997119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1997119 is an equidigital number, since it uses as much as digits as its factorization.

1997119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5103, while the sum is 37.

The square root of 1997119 is about 1413.1946079716. The cubic root of 1997119 is about 125.9315787084.

It can be divided in two parts, 1997 and 119, that added together give a square (2116 = 46²).

The spelling of 1997119 in words is "one million, nine hundred ninety-seven thousand, one hundred nineteen".