1085040986 has 4 divisors (see below), whose sum is σ = 1627561482. Its totient is φ = 542520492.

The previous prime is 1085040967. The next prime is 1085041007. The reversal of 1085040986 is 6890405801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6890405801 = 59 ⋅116786539.

It can be written as a sum of positive squares in only one way, i.e., 803439025 + 281601961 = 28345^2 + 16781^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 271260245 + ... + 271260248.

Almost surely, 2^1085040986 is an apocalyptic number.

1085040986 is a deficient number, since it is larger than the sum of its proper divisors (542520496).

1085040986 is an equidigital number, since it uses as much as digits as its factorization.

1085040986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542520495.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 1085040986 is about 32939.9603217733. The cubic root of 1085040986 is about 1027.5793806022.

The spelling of 1085040986 in words is "one billion, eighty-five million, forty thousand, nine hundred eighty-six".