1161146 has 8 divisors (see below), whose sum is σ = 1990560. Its totient is φ = 497628.

The previous prime is 1161143. The next prime is 1161163. The reversal of 1161146 is 6411611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1161143) 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 in 3 ways as a sum of consecutive naturals, for example, 41456 + ... + 41483.

It is an arithmetic number, because the mean of its divisors is an integer number (248820).

2^1161146 is an apocalyptic number.

1161146 is a deficient number, since it is larger than the sum of its proper divisors (829414).

1161146 is an equidigital number, since it uses as much as digits as its factorization.

1161146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82948.

The product of its digits is 144, while the sum is 20.

The square root of 1161146 is about 1077.5648472366. The cubic root of 1161146 is about 105.1063472782.

Adding to 1161146 its reverse (6411611), we get a palindrome (7572757).

The spelling of 1161146 in words is "one million, one hundred sixty-one thousand, one hundred forty-six".