1118137 has 2 divisors, whose sum is σ = 1118138. Its totient is φ = 1118136.

The previous prime is 1118123. The next prime is 1118147. The reversal of 1118137 is 7318111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 622521 + 495616 = 789^2 + 704^2 .

It is a cyclic number.

It is not a de Polignac number, because 1118137 - 2⁷ = 1118009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1118147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559068 + 559069.

It is an arithmetic number, because the mean of its divisors is an integer number (559069).

2^1118137 is an apocalyptic number.

It is an amenable number.

1118137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1118137 is an equidigital number, since it uses as much as digits as its factorization.

1118137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 22.

The square root of 1118137 is about 1057.4199733313. The cubic root of 1118137 is about 103.7922690302.

The spelling of 1118137 in words is "one million, one hundred eighteen thousand, one hundred thirty-seven".