1128534 has 16 divisors (see below), whose sum is σ = 2462400. Its totient is φ = 341960.

The previous prime is 1128527. The next prime is 1128539. The reversal of 1128534 is 4358211.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128539) 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, 8484 + ... + 8615.

It is an arithmetic number, because the mean of its divisors is an integer number (153900).

2^1128534 is an apocalyptic number.

1128534 is an abundant number, since it is smaller than the sum of its proper divisors (1333866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1128534 is a wasteful number, since it uses less digits than its factorization.

1128534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17115.

The product of its digits is 960, while the sum is 24.

The square root of 1128534 is about 1062.3248090862. The cubic root of 1128534 is about 104.1129812608.

It can be divided in two parts, 112 and 8534, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 1128534 in words is "one million, one hundred twenty-eight thousand, five hundred thirty-four".