1179491 has 2 divisors, whose sum is σ = 1179492. Its totient is φ = 1179490.

The previous prime is 1179467. The next prime is 1179499. The reversal of 1179491 is 1949711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1179491 - 2⁶ = 1179427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1179499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589745 + 589746.

It is an arithmetic number, because the mean of its divisors is an integer number (589746).

2^1179491 is an apocalyptic number.

1179491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1179491 is an equidigital number, since it uses as much as digits as its factorization.

1179491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 32.

The square root of 1179491 is about 1086.0437376091. The cubic root of 1179491 is about 105.6569842333.

The spelling of 1179491 in words is "one million, one hundred seventy-nine thousand, four hundred ninety-one".