1085181123 has 8 divisors (see below), whose sum is σ = 1558208848. Its totient is φ = 667803744.

The previous prime is 1085181121. The next prime is 1085181127. The reversal of 1085181123 is 3211815801.

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

It is not a de Polignac number, because 1085181123 - 2¹ = 1085181121 is a prime.

It is a super-2 number, since 2×1085181123² = 2355236139431082258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085181121) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 13912540 + ... + 13912617.

It is an arithmetic number, because the mean of its divisors is an integer number (194776106).

Almost surely, 2^1085181123 is an apocalyptic number.

1085181123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1085181123 is a deficient number, since it is larger than the sum of its proper divisors (473027725).

1085181123 is a wasteful number, since it uses less digits than its factorization.

1085181123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27825173.

The product of its (nonzero) digits is 1920, while the sum is 30.

The square root of 1085181123 is about 32942.0874110916. The cubic root of 1085181123 is about 1027.6236172392.

Adding to 1085181123 its reverse (3211815801), we get a palindrome (4296996924).

The spelling of 1085181123 in words is "one billion, eighty-five million, one hundred eighty-one thousand, one hundred twenty-three".