1220103133 has 8 divisors (see below), whose sum is σ = 1251404280. Its totient is φ = 1188875520.

The previous prime is 1220103119. The next prime is 1220103139. The reversal of 1220103133 is 3313010221.

It can be written as a sum of positive squares in 4 ways, for example, as 69672409 + 1150430724 = 8347^2 + 33918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220103133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220103139) 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 in 7 ways as a sum of consecutive naturals, for example, 16041 + ... + 51937.

It is an arithmetic number, because the mean of its divisors is an integer number (156425535).

Almost surely, 2^1220103133 is an apocalyptic number.

It is an amenable number.

1220103133 is a deficient number, since it is larger than the sum of its proper divisors (31301147).

1220103133 is an equidigital number, since it uses as much as digits as its factorization.

1220103133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36767.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1220103133 is about 34929.9747065468. The cubic root of 1220103133 is about 1068.5598387750.

Adding to 1220103133 its reverse (3313010221), we get a palindrome (4533113354).

The spelling of 1220103133 in words is "one billion, two hundred twenty million, one hundred three thousand, one hundred thirty-three".