1220353201 has 8 divisors (see below), whose sum is σ = 1253387520. Its totient is φ = 1187530512.

The previous prime is 1220353193. The next prime is 1220353213. The reversal of 1220353201 is 1023530221.

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 1220353201 - 2³ = 1220353193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220353291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41185 + ... + 64318.

It is an arithmetic number, because the mean of its divisors is an integer number (156673440).

Almost surely, 2^1220353201 is an apocalyptic number.

It is an amenable number.

1220353201 is a deficient number, since it is larger than the sum of its proper divisors (33034319).

1220353201 is a wasteful number, since it uses less digits than its factorization.

1220353201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105815.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1220353201 is about 34933.5540848623. The cubic root of 1220353201 is about 1068.6328365298.

Adding to 1220353201 its reverse (1023530221), we get a palindrome (2243883422).

The spelling of 1220353201 in words is "one billion, two hundred twenty million, three hundred fifty-three thousand, two hundred one".