1112197 has 2 divisors, whose sum is σ = 1112198. Its totient is φ = 1112196.

The previous prime is 1112171. The next prime is 1112201. The reversal of 1112197 is 7912111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 641601 + 470596 = 801^2 + 686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556098 + 556099.

It is an arithmetic number, because the mean of its divisors is an integer number (556099).

2^1112197 is an apocalyptic number.

It is an amenable number.

1112197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112197 is an equidigital number, since it uses as much as digits as its factorization.

1112197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126, while the sum is 22.

The square root of 1112197 is about 1054.6075099296. The cubic root of 1112197 is about 103.6081469719.

The spelling of 1112197 in words is "one million, one hundred twelve thousand, one hundred ninety-seven".