1129633 has 4 divisors (see below), whose sum is σ = 1196100. Its totient is φ = 1063168.

The previous prime is 1129619. The next prime is 1129643. The reversal of 1129633 is 3369211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3369211 = 1163 ⋅2897.

It can be written as a sum of positive squares in 2 ways, for example, as 1016064 + 113569 = 1008^2 + 337^2 .

It is a cyclic number.

It is not a de Polignac number, because 1129633 - 2¹⁷ = 998561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1129598 and 1129607.

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 3 ways as a sum of consecutive naturals, for example, 33208 + ... + 33241.

It is an arithmetic number, because the mean of its divisors is an integer number (299025).

2^1129633 is an apocalyptic number.

It is an amenable number.

1129633 is a deficient number, since it is larger than the sum of its proper divisors (66467).

1129633 is an equidigital number, since it uses as much as digits as its factorization.

1129633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66466.

The product of its digits is 972, while the sum is 25.

The square root of 1129633 is about 1062.8419449758. The cubic root of 1129633 is about 104.1467664029.

The spelling of 1129633 in words is "one million, one hundred twenty-nine thousand, six hundred thirty-three".