1189264 has 20 divisors (see below), whose sum is σ = 2321280. Its totient is φ = 590240.

The previous prime is 1189231. The next prime is 1189271. The reversal of 1189264 is 4629811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3669 + ... + 3979.

It is an arithmetic number, because the mean of its divisors is an integer number (116064).

2^1189264 is an apocalyptic number.

It is an amenable number.

1189264 is a deficient number, since it is larger than the sum of its proper divisors (1132016).

1189264 is a wasteful number, since it uses less digits than its factorization.

1189264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 552 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 1189264 is about 1090.5338142396. The cubic root of 1189264 is about 105.9479987014.

The spelling of 1189264 in words is "one million, one hundred eighty-nine thousand, two hundred sixty-four".