11122765 has 4 divisors (see below), whose sum is σ = 13347324. Its totient is φ = 8898208.

The previous prime is 11122763. The next prime is 11122799. The reversal of 11122765 is 56722111.

11122765 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 1225449 + 9897316 = 1107^2 + 3146^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122765 - 2¹ = 11122763 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 (11122763) 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, 1112272 + ... + 1112281.

It is an arithmetic number, because the mean of its divisors is an integer number (3336831).

Almost surely, 2^11122765 is an apocalyptic number.

It is an amenable number.

11122765 is a deficient number, since it is larger than the sum of its proper divisors (2224559).

11122765 is an equidigital number, since it uses as much as digits as its factorization.

11122765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224558.

The product of its digits is 840, while the sum is 25.

The square root of 11122765 is about 3335.0809585376. The cubic root of 11122765 is about 223.2223044068. Note that the first 3 decimals are identical.

Adding to 11122765 its reverse (56722111), we get a palindrome (67844876).

The spelling of 11122765 in words is "eleven million, one hundred twenty-two thousand, seven hundred sixty-five".