1117579 has 2 divisors, whose sum is σ = 1117580. Its totient is φ = 1117578.

The previous prime is 1117553. The next prime is 1117591. The reversal of 1117579 is 9757111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1117579 - 2⁷ = 1117451 is a prime.

1117579 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1117579.

It is not a weakly prime, because it can be changed into another prime (1117549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558789 + 558790.

It is an arithmetic number, because the mean of its divisors is an integer number (558790).

2^1117579 is an apocalyptic number.

1117579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117579 is an equidigital number, since it uses as much as digits as its factorization.

1117579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2205, while the sum is 31.

The square root of 1117579 is about 1057.1560906508. The cubic root of 1117579 is about 103.7750005073.

The spelling of 1117579 in words is "one million, one hundred seventeen thousand, five hundred seventy-nine".