11122985 has 4 divisors (see below), whose sum is σ = 13347588. Its totient is φ = 8898384.

The previous prime is 11122949. The next prime is 11122987. The reversal of 11122985 is 58922111.

11122985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4932841 + 6190144 = 2221^2 + 2488^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122985 - 2⁸ = 11122729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112294 + ... + 1112303.

It is an arithmetic number, because the mean of its divisors is an integer number (3336897).

Almost surely, 2^11122985 is an apocalyptic number.

It is an amenable number.

11122985 is a deficient number, since it is larger than the sum of its proper divisors (2224603).

11122985 is an equidigital number, since it uses as much as digits as its factorization.

11122985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224602.

The product of its digits is 1440, while the sum is 29.

The square root of 11122985 is about 3335.1139410821. The cubic root of 11122985 is about 223.2237761207.

The spelling of 11122985 in words is "eleven million, one hundred twenty-two thousand, nine hundred eighty-five".