1220333029 has 2 divisors, whose sum is σ = 1220333030. Its totient is φ = 1220333028.

The previous prime is 1220332973. The next prime is 1220333039. The reversal of 1220333029 is 9203330221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1175804100 + 44528929 = 34290^2 + 6673^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220333029 - 2¹¹ = 1220330981 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220332994 and 1220333012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220333039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610166514 + 610166515.

It is an arithmetic number, because the mean of its divisors is an integer number (610166515).

Almost surely, 2^1220333029 is an apocalyptic number.

It is an amenable number.

1220333029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220333029 is an equidigital number, since it uses as much as digits as its factorization.

1220333029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 1220333029 is about 34933.2653641196. The cubic root of 1220333029 is about 1068.6269484584.

The spelling of 1220333029 in words is "one billion, two hundred twenty million, three hundred thirty-three thousand, twenty-nine".