11121764 has 24 divisors (see below), whose sum is σ = 20832000. Its totient is φ = 5179680.

The previous prime is 11121763. The next prime is 11121767. The reversal of 11121764 is 46712111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11121763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3437 + ... + 5835.

It is an arithmetic number, because the mean of its divisors is an integer number (868000).

Almost surely, 2^11121764 is an apocalyptic number.

It is an amenable number.

11121764 is a deficient number, since it is larger than the sum of its proper divisors (9710236).

11121764 is a wasteful number, since it uses less digits than its factorization.

11121764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2481 counting only the distinct ones).

The product of its digits is 336, while the sum is 23.

The square root of 11121764 is about 3334.9308838415. The cubic root of 11121764 is about 223.2156078636.

Adding to 11121764 its reverse (46712111), we get a palindrome (57833875).

The spelling of 11121764 in words is "eleven million, one hundred twenty-one thousand, seven hundred sixty-four".