1220051201 has 2 divisors, whose sum is σ = 1220051202. Its totient is φ = 1220051200.

The previous prime is 1220051197. The next prime is 1220051213. The reversal of 1220051201 is 1021500221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1214871025 + 5180176 = 34855^2 + 2276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220051201 - 2² = 1220051197 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220051101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610025600 + 610025601.

It is an arithmetic number, because the mean of its divisors is an integer number (610025601).

Almost surely, 2^1220051201 is an apocalyptic number.

It is an amenable number.

1220051201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220051201 is an equidigital number, since it uses as much as digits as its factorization.

1220051201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1220051201 is about 34929.2313256390. The cubic root of 1220051201 is about 1068.5446779700.

Adding to 1220051201 its reverse (1021500221), we get a palindrome (2241551422).

The spelling of 1220051201 in words is "one billion, two hundred twenty million, fifty-one thousand, two hundred one".