1085147 has 16 divisors (see below), whose sum is σ = 1344000. Its totient is φ = 855360.

The previous prime is 1085143. The next prime is 1085153. The reversal of 1085147 is 7415801.

It is a cyclic number.

It is not a de Polignac number, because 1085147 - 2² = 1085143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1085141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5354 + ... + 5552.

It is an arithmetic number, because the mean of its divisors is an integer number (84000).

2^1085147 is an apocalyptic number.

1085147 is a deficient number, since it is larger than the sum of its proper divisors (258853).

1085147 is a wasteful number, since it uses less digits than its factorization.

1085147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1085147 is about 1041.7038926682. The cubic root of 1085147 is about 102.7612846082.

The spelling of 1085147 in words is "one million, eighty-five thousand, one hundred forty-seven".