1129896 has 32 divisors (see below), whose sum is σ = 3139200. Its totient is φ = 376560.

The previous prime is 1129889. The next prime is 1129897. The reversal of 1129896 is 6989211.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1129896.

It is not an unprimeable number, because it can be changed into a prime (1129897) 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, 2400 + ... + 2831.

It is an arithmetic number, because the mean of its divisors is an integer number (98100).

2^1129896 is an apocalyptic number.

It is an amenable number.

1129896 is an abundant number, since it is smaller than the sum of its proper divisors (2009304).

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

1129896 is a wasteful number, since it uses less digits than its factorization.

1129896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246 (or 5236 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 1129896 is about 1062.9656626627. The cubic root of 1129896 is about 104.1548482236.

It can be divided in two parts, 1129 and 896, that added together give a square (2025 = 45²).

The spelling of 1129896 in words is "one million, one hundred twenty-nine thousand, eight hundred ninety-six".