1085901087 has 8 divisors (see below), whose sum is σ = 1461925504. Its totient is φ = 716905368.

The previous prime is 1085901079. The next prime is 1085901097. The reversal of 1085901087 is 7801095801.

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

It is not a de Polignac number, because 1085901087 - 2³ = 1085901079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085901067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756813 + ... + 1757430.

It is an arithmetic number, because the mean of its divisors is an integer number (182740688).

Almost surely, 2^1085901087 is an apocalyptic number.

1085901087 is a deficient number, since it is larger than the sum of its proper divisors (376024417).

1085901087 is a wasteful number, since it uses less digits than its factorization.

1085901087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514349.

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 1085901087 is about 32953.0133220014. The cubic root of 1085901087 is about 1027.8508261466.

Adding to 1085901087 its reverse (7801095801), we get a palindrome (8886996888).

The spelling of 1085901087 in words is "one billion, eighty-five million, nine hundred one thousand, eighty-seven".