1220833 has 2 divisors, whose sum is σ = 1220834. Its totient is φ = 1220832.

The previous prime is 1220819. The next prime is 1220839. The reversal of 1220833 is 3380221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1203409 + 17424 = 1097^2 + 132^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220833 - 2⁵ = 1220801 is a prime.

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 1220833.

It is not a weakly prime, because it can be changed into another prime (1220839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610416 + 610417.

It is an arithmetic number, because the mean of its divisors is an integer number (610417).

2^1220833 is an apocalyptic number.

It is an amenable number.

1220833 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220833 is an equidigital number, since it uses as much as digits as its factorization.

1220833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1220833 is about 1104.9131187564. The cubic root of 1220833 is about 106.8772867516.

The spelling of 1220833 in words is "one million, two hundred twenty thousand, eight hundred thirty-three".