1085266903 has 4 divisors (see below), whose sum is σ = 1240305040. Its totient is φ = 930228768.

The previous prime is 1085266883. The next prime is 1085266939. The reversal of 1085266903 is 3096625801.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-1085266903 is a prime.

It is a super-2 number, since 2×1085266903² = 2355608501494422818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085266003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77519058 + ... + 77519071.

It is an arithmetic number, because the mean of its divisors is an integer number (310076260).

Almost surely, 2^1085266903 is an apocalyptic number.

1085266903 is a deficient number, since it is larger than the sum of its proper divisors (155038137).

1085266903 is an equidigital number, since it uses as much as digits as its factorization.

1085266903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155038136.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 1085266903 is about 32943.3893672160. The cubic root of 1085266903 is about 1027.6506932819.

The spelling of 1085266903 in words is "one billion, eighty-five million, two hundred sixty-six thousand, nine hundred three".