1086122985 has 16 divisors (see below), whose sum is σ = 1750484736. Its totient is φ = 575036288.

The previous prime is 1086122959. The next prime is 1086122987. The reversal of 1086122985 is 5892216801.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1086122985 - 2⁷ = 1086122857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1086122987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262209 + ... + 266318.

It is an arithmetic number, because the mean of its divisors is an integer number (109405296).

Almost surely, 2^1086122985 is an apocalyptic number.

1086122985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1086122985 is a deficient number, since it is larger than the sum of its proper divisors (664361751).

1086122985 is a wasteful number, since it uses less digits than its factorization.

1086122985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528672.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 1086122985 is about 32956.3800348279. The cubic root of 1086122985 is about 1027.9208332929.

The spelling of 1086122985 in words is "one billion, eighty-six million, one hundred twenty-two thousand, nine hundred eighty-five".