1166797 has 4 divisors (see below), whose sum is σ = 1168960. Its totient is φ = 1164636.

The previous prime is 1166779. The next prime is 1166801. The reversal of 1166797 is 7976611.

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.

It is a cyclic number.

It is not a de Polignac number, because 1166797 - 2¹¹ = 1164749 is a prime.

It is a super-2 number, since 2×1166797² = 2722830478418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166497) 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, 478 + ... + 1600.

It is an arithmetic number, because the mean of its divisors is an integer number (292240).

2^1166797 is an apocalyptic number.

It is an amenable number.

1166797 is a deficient number, since it is larger than the sum of its proper divisors (2163).

1166797 is a wasteful number, since it uses less digits than its factorization.

1166797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162.

The product of its digits is 15876, while the sum is 37.

The square root of 1166797 is about 1080.1837806596. The cubic root of 1166797 is about 105.2765799683.

The spelling of 1166797 in words is "one million, one hundred sixty-six thousand, seven hundred ninety-seven".