1220013301 has 8 divisors (see below), whose sum is σ = 1319601080. Its totient is φ = 1121245632.

The previous prime is 1220013299. The next prime is 1220013337. The reversal of 1220013301 is 1033100221.

It can be written as a sum of positive squares in 4 ways, for example, as 373494276 + 846519025 = 19326^2 + 29095^2 .

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

It is not a de Polignac number, because 1220013301 - 2¹ = 1220013299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220013101) 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, 201930 + ... + 207883.

It is an arithmetic number, because the mean of its divisors is an integer number (164950135).

Almost surely, 2^1220013301 is an apocalyptic number.

It is an amenable number.

1220013301 is a deficient number, since it is larger than the sum of its proper divisors (99587779).

1220013301 is a wasteful number, since it uses less digits than its factorization.

1220013301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410055.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1220013301 is about 34928.6887958881. The cubic root of 1220013301 is about 1068.5336133353.

Adding to 1220013301 its reverse (1033100221), we get a palindrome (2253113522).

The spelling of 1220013301 in words is "one billion, two hundred twenty million, thirteen thousand, three hundred one".