1147197 has 8 divisors (see below), whose sum is σ = 1565344. Its totient is φ = 746928.

The previous prime is 1147193. The next prime is 1147213. The reversal of 1147197 is 7917411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1147197 - 2² = 1147193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4318 + ... + 4575.

It is an arithmetic number, because the mean of its divisors is an integer number (195668).

2^1147197 is an apocalyptic number.

It is an amenable number.

1147197 is a deficient number, since it is larger than the sum of its proper divisors (418147).

1147197 is an equidigital number, since it uses as much as digits as its factorization.

1147197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8939.

The product of its digits is 1764, while the sum is 30.

The square root of 1147197 is about 1071.0728266556. The cubic root of 1147197 is about 104.6837650854.

The spelling of 1147197 in words is "one million, one hundred forty-seven thousand, one hundred ninety-seven".