1167897 has 4 divisors (see below), whose sum is σ = 1557200. Its totient is φ = 778596.

The previous prime is 1167889. The next prime is 1167899. The reversal of 1167897 is 7987611.

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.

It is not a de Polignac number, because 1167897 - 2³ = 1167889 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1167899) 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, 194647 + ... + 194652.

It is an arithmetic number, because the mean of its divisors is an integer number (389300).

2^1167897 is an apocalyptic number.

It is an amenable number.

1167897 is a deficient number, since it is larger than the sum of its proper divisors (389303).

1167897 is an equidigital number, since it uses as much as digits as its factorization.

1167897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389302.

The product of its digits is 21168, while the sum is 39.

The square root of 1167897 is about 1080.6928333250. The cubic root of 1167897 is about 105.3096528066.

The spelling of 1167897 in words is "one million, one hundred sixty-seven thousand, eight hundred ninety-seven".