1220180799 has 8 divisors (see below), whose sum is σ = 1627199280. Its totient is φ = 813308096.

The previous prime is 1220180777. The next prime is 1220180803. The reversal of 1220180799 is 9970810221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220180799 - 2⁷ = 1220180671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220130799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15132 + ... + 51665.

It is an arithmetic number, because the mean of its divisors is an integer number (203399910).

Almost surely, 2^1220180799 is an apocalyptic number.

1220180799 is a deficient number, since it is larger than the sum of its proper divisors (407018481).

1220180799 is an equidigital number, since it uses as much as digits as its factorization.

1220180799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72889.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 1220180799 is about 34931.0864274216. The cubic root of 1220180799 is about 1068.5825114506.

The spelling of 1220180799 in words is "one billion, two hundred twenty million, one hundred eighty thousand, seven hundred ninety-nine".