1171097 has 4 divisors (see below), whose sum is σ = 1174656. Its totient is φ = 1167540.

The previous prime is 1171073. The next prime is 1171109. The reversal of 1171097 is 7901711.

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 an emirpimes, since its reverse is a distinct semiprime: 7901711 = 2351 ⋅3361.

It is a cyclic number.

It is not a de Polignac number, because 1171097 - 2⁶ = 1171033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1171057) 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, 1229 + ... + 1962.

It is an arithmetic number, because the mean of its divisors is an integer number (293664).

2^1171097 is an apocalyptic number.

It is an amenable number.

1171097 is a deficient number, since it is larger than the sum of its proper divisors (3559).

1171097 is an equidigital number, since it uses as much as digits as its factorization.

1171097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558.

The product of its (nonzero) digits is 441, while the sum is 26.

The square root of 1171097 is about 1082.1723522619. The cubic root of 1171097 is about 105.4057467758.

The spelling of 1171097 in words is "one million, one hundred seventy-one thousand, ninety-seven".