1147579 has 2 divisors, whose sum is σ = 1147580. Its totient is φ = 1147578.

The previous prime is 1147571. The next prime is 1147583. The reversal of 1147579 is 9757411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1147579 - 2³ = 1147571 is a prime.

It is a super-2 number, since 2×1147579² = 2633875122482, which contains 22 as substring.

1147579 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1147571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573789 + 573790.

It is an arithmetic number, because the mean of its divisors is an integer number (573790).

2^1147579 is an apocalyptic number.

1147579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147579 is an equidigital number, since it uses as much as digits as its factorization.

1147579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8820, while the sum is 34.

The square root of 1147579 is about 1071.2511376890. The cubic root of 1147579 is about 104.6953831889.

The spelling of 1147579 in words is "one million, one hundred forty-seven thousand, five hundred seventy-nine".