1161797 has 16 divisors (see below), whose sum is σ = 1516032. Its totient is φ = 864000.

The previous prime is 1161791. The next prime is 1161829. The reversal of 1161797 is 7971611.

It is a cyclic number.

It is not a de Polignac number, because 1161797 - 2⁴ = 1161781 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172 + ... + 1922.

It is an arithmetic number, because the mean of its divisors is an integer number (94752).

2^1161797 is an apocalyptic number.

1161797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1161797 is a deficient number, since it is larger than the sum of its proper divisors (354235).

1161797 is a wasteful number, since it uses less digits than its factorization.

1161797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788.

The product of its digits is 2646, while the sum is 32.

The square root of 1161797 is about 1077.8668748969. The cubic root of 1161797 is about 105.1259863385.

The spelling of 1161797 in words is "one million, one hundred sixty-one thousand, seven hundred ninety-seven".