1146591 has 6 divisors (see below), whose sum is σ = 1656200. Its totient is φ = 764388.

The previous prime is 1146581. The next prime is 1146661. The reversal of 1146591 is 1956411.

1146591 is a `hidden beast` number, since 1 + 1 + 4 + 659 + 1 = 666.

It is not a de Polignac number, because 1146591 - 2⁵ = 1146559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63691 + ... + 63708.

2^1146591 is an apocalyptic number.

1146591 is a deficient number, since it is larger than the sum of its proper divisors (509609).

1146591 is a wasteful number, since it uses less digits than its factorization.

1146591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127405 (or 127402 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 1146591 is about 1070.7898953576. The cubic root of 1146591 is about 104.6653289798.

The spelling of 1146591 in words is "one million, one hundred forty-six thousand, five hundred ninety-one".