1185097 has 4 divisors (see below), whose sum is σ = 1187280. Its totient is φ = 1182916.

The previous prime is 1185089. The next prime is 1185103. The reversal of 1185097 is 7905811.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7905811 = 1973 ⋅4007.

It is a cyclic number.

It is not a de Polignac number, because 1185097 - 2³ = 1185089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1185017) 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, 438 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (296820).

2^1185097 is an apocalyptic number.

It is an amenable number.

1185097 is a deficient number, since it is larger than the sum of its proper divisors (2183).

1185097 is a wasteful number, since it uses less digits than its factorization.

1185097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182.

The product of its (nonzero) digits is 2520, while the sum is 31.

The square root of 1185097 is about 1088.6216055177. The cubic root of 1185097 is about 105.8241120092.

The spelling of 1185097 in words is "one million, one hundred eighty-five thousand, ninety-seven".