1118797 has 2 divisors, whose sum is σ = 1118798. Its totient is φ = 1118796.

The previous prime is 1118783. The next prime is 1118807. The reversal of 1118797 is 7978111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1028196 + 90601 = 1014^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118797 - 2¹¹ = 1116749 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1118717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559398 + 559399.

It is an arithmetic number, because the mean of its divisors is an integer number (559399).

2^1118797 is an apocalyptic number.

It is an amenable number.

1118797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118797 is an equidigital number, since it uses as much as digits as its factorization.

1118797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 34.

The square root of 1118797 is about 1057.7320076465. The cubic root of 1118797 is about 103.8126867499.

The spelling of 1118797 in words is "one million, one hundred eighteen thousand, seven hundred ninety-seven".