1155033 has 16 divisors (see below), whose sum is σ = 1867200. Its totient is φ = 699840.

The previous prime is 1155019. The next prime is 1155053. The reversal of 1155033 is 3305511.

Added to its reverse (3305511) it gives a square (4460544 = 2112²).

It is a happy number.

It is not a de Polignac number, because 1155033 - 2⁴ = 1155017 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1154997 and 1155015.

It is not an unprimeable number, because it can be changed into a prime (1155053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1648 + ... + 2241.

It is an arithmetic number, because the mean of its divisors is an integer number (116700).

2^1155033 is an apocalyptic number.

It is an amenable number.

1155033 is a deficient number, since it is larger than the sum of its proper divisors (712167).

1155033 is a wasteful number, since it uses less digits than its factorization.

1155033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3909 (or 3903 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 1155033 is about 1074.7246158900. The cubic root of 1155033 is about 104.9215740903.

Adding to 1155033 its reverse (3305511), we get a square (4460544 = 2112²).

The spelling of 1155033 in words is "one million, one hundred fifty-five thousand, thirty-three".