1146539 has 2 divisors, whose sum is σ = 1146540. Its totient is φ = 1146538.

The previous prime is 1146533. The next prime is 1146559. The reversal of 1146539 is 9356411.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146539 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (1146533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573269 + 573270.

It is an arithmetic number, because the mean of its divisors is an integer number (573270).

2^1146539 is an apocalyptic number.

1146539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146539 is an equidigital number, since it uses as much as digits as its factorization.

1146539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 1146539 is about 1070.7656139417. The cubic root of 1146539 is about 104.6637467011.

The spelling of 1146539 in words is "one million, one hundred forty-six thousand, five hundred thirty-nine".