1131764 has 24 divisors (see below), whose sum is σ = 2079168. Its totient is φ = 538560.

The previous prime is 1131763. The next prime is 1131769. The reversal of 1131764 is 4671311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10937 + ... + 11039.

It is an arithmetic number, because the mean of its divisors is an integer number (86632).

2^1131764 is an apocalyptic number.

It is an amenable number.

1131764 is a deficient number, since it is larger than the sum of its proper divisors (947404).

1131764 is a wasteful number, since it uses less digits than its factorization.

1131764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 213 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 1131764 is about 1063.8439735224. The cubic root of 1131764 is about 104.2122146052.

The spelling of 1131764 in words is "one million, one hundred thirty-one thousand, seven hundred sixty-four".