1115207 has 2 divisors, whose sum is σ = 1115208. Its totient is φ = 1115206.

The previous prime is 1115189. The next prime is 1115227. The reversal of 1115207 is 7025111.

It is a weak prime.

It is an emirp because it is prime and its reverse (7025111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1115207 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557603 + 557604.

It is an arithmetic number, because the mean of its divisors is an integer number (557604).

2^1115207 is an apocalyptic number.

1115207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115207 is an equidigital number, since it uses as much as digits as its factorization.

1115207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 1115207 is about 1056.0336168892. The cubic root of 1115207 is about 103.7015295919.

The spelling of 1115207 in words is "one million, one hundred fifteen thousand, two hundred seven".