1180197 has 8 divisors (see below), whose sum is σ = 1748480. Its totient is φ = 786780.

The previous prime is 1180171. The next prime is 1180219. The reversal of 1180197 is 7910811.

It is not a de Polignac number, because 1180197 - 2⁶ = 1180133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 43711 = 1180197 / (1 + 1 + 8 + 0 + 1 + 9 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1180197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180117) 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, 21829 + ... + 21882.

It is an arithmetic number, because the mean of its divisors is an integer number (218560).

2^1180197 is an apocalyptic number.

It is an amenable number.

1180197 is a deficient number, since it is larger than the sum of its proper divisors (568283).

1180197 is an equidigital number, since it uses as much as digits as its factorization.

1180197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43720 (or 43714 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 27.

The square root of 1180197 is about 1086.3687219356. The cubic root of 1180197 is about 105.6780608256.

It can be divided in two parts, 11 and 80197, that added together give a palindrome (80208).

The spelling of 1180197 in words is "one million, one hundred eighty thousand, one hundred ninety-seven".