1146985 has 8 divisors (see below), whose sum is σ = 1573056. Its totient is φ = 786480.

The previous prime is 1146967. The next prime is 1146989. The reversal of 1146985 is 5896411.

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

It is not a de Polignac number, because 1146985 - 2⁵ = 1146953 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1146985.

It is not an unprimeable number, because it can be changed into a prime (1146989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16351 + ... + 16420.

It is an arithmetic number, because the mean of its divisors is an integer number (196632).

2^1146985 is an apocalyptic number.

It is an amenable number.

1146985 is a deficient number, since it is larger than the sum of its proper divisors (426071).

1146985 is an equidigital number, since it uses as much as digits as its factorization.

1146985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32783.

The product of its digits is 8640, while the sum is 34.

The square root of 1146985 is about 1070.9738558900. The cubic root of 1146985 is about 104.6773162292.

Adding to 1146985 its product of digits (8640), we get a square (1155625 = 1075²).

The spelling of 1146985 in words is "one million, one hundred forty-six thousand, nine hundred eighty-five".