1117489 has 2 divisors, whose sum is σ = 1117490. Its totient is φ = 1117488.

The previous prime is 1117483. The next prime is 1117513. The reversal of 1117489 is 9847111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 616225 + 501264 = 785^2 + 708^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117489 - 2³ = 1117481 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1117489.

It is not a weakly prime, because it can be changed into another prime (1117481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558744 + 558745.

It is an arithmetic number, because the mean of its divisors is an integer number (558745).

2^1117489 is an apocalyptic number.

It is an amenable number.

1117489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117489 is an equidigital number, since it uses as much as digits as its factorization.

1117489 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 1117489 is about 1057.1135227590. The cubic root of 1117489 is about 103.7722147234.

The spelling of 1117489 in words is "one million, one hundred seventeen thousand, four hundred eighty-nine".