1220033 has 4 divisors (see below), whose sum is σ = 1225728. Its totient is φ = 1214340.

The previous prime is 1220029. The next prime is 1220041. The reversal of 1220033 is 3300221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3300221 = 409 ⋅8069.

It is a cyclic number.

It is not a de Polignac number, because 1220033 - 2² = 1220029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1219996 and 1220023.

It is not an unprimeable number, because it can be changed into a prime (1220333) 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, 2513 + ... + 2958.

It is an arithmetic number, because the mean of its divisors is an integer number (306432).

2^1220033 is an apocalyptic number.

It is an amenable number.

1220033 is a deficient number, since it is larger than the sum of its proper divisors (5695).

1220033 is an equidigital number, since it uses as much as digits as its factorization.

1220033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1220033 is about 1104.5510400158. The cubic root of 1220033 is about 106.8539364346.

Adding to 1220033 its reverse (3300221), we get a palindrome (4520254).

The spelling of 1220033 in words is "one million, two hundred twenty thousand, thirty-three".