1129608 has 48 divisors (see below), whose sum is σ = 3170700. Its totient is φ = 362880.

The previous prime is 1129603. The next prime is 1129619. The reversal of 1129608 is 8069211.

It can be written as a sum of positive squares in 2 ways, for example, as 1127844 + 1764 = 1062^2 + 42^2 .

It is not an unprimeable number, because it can be changed into a prime (1129603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1818 + ... + 2358.

2^1129608 is an apocalyptic number.

1129608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1129608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585350).

1129608 is an abundant number, since it is smaller than the sum of its proper divisors (2041092).

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

1129608 is a wasteful number, since it uses less digits than its factorization.

1129608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1129608 is about 1062.8301839899. The cubic root of 1129608 is about 104.1459981037.

The spelling of 1129608 in words is "one million, one hundred twenty-nine thousand, six hundred eight".