1128964 has 6 divisors (see below), whose sum is σ = 1975694. Its totient is φ = 564480.

The previous prime is 1128949. The next prime is 1128977. The reversal of 1128964 is 4698211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 652864 + 476100 = 808^2 + 690^2 .

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 as a sum of consecutive naturals, namely, 141117 + ... + 141124.

2^1128964 is an apocalyptic number.

It is an amenable number.

1128964 is a deficient number, since it is larger than the sum of its proper divisors (846730).

1128964 is a wasteful number, since it uses less digits than its factorization.

1128964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282245 (or 282243 counting only the distinct ones).

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

The square root of 1128964 is about 1062.5271761230. The cubic root of 1128964 is about 104.1262028082.

It can be divided in two parts, 112896 and 4, that multiplied together give a square (451584 = 672²).

The spelling of 1128964 in words is "one million, one hundred twenty-eight thousand, nine hundred sixty-four".