1118497 has 2 divisors, whose sum is σ = 1118498. Its totient is φ = 1118496.

The previous prime is 1118483. The next prime is 1118519. The reversal of 1118497 is 7948111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1089936 + 28561 = 1044^2 + 169^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118497 - 2¹¹ = 1116449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1118437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559248 + 559249.

It is an arithmetic number, because the mean of its divisors is an integer number (559249).

2^1118497 is an apocalyptic number.

It is an amenable number.

1118497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118497 is an equidigital number, since it uses as much as digits as its factorization.

1118497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 31.

The square root of 1118497 is about 1057.5901852797. The cubic root of 1118497 is about 103.8034069639.

The spelling of 1118497 in words is "one million, one hundred eighteen thousand, four hundred ninety-seven".