1220004201 has 32 divisors (see below), whose sum is σ = 1861090560. Its totient is φ = 704231424.

The previous prime is 1220004197. The next prime is 1220004217. The reversal of 1220004201 is 1024000221.

It is not a de Polignac number, because 1220004201 - 2² = 1220004197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220004221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204580 + ... + 210458.

It is an arithmetic number, because the mean of its divisors is an integer number (58159080).

Almost surely, 2^1220004201 is an apocalyptic number.

It is an amenable number.

1220004201 is a deficient number, since it is larger than the sum of its proper divisors (641086359).

1220004201 is a wasteful number, since it uses less digits than its factorization.

1220004201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6225.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1220004201 is about 34928.5585302343. The cubic root of 1220004201 is about 1068.5309566211.

Adding to 1220004201 its reverse (1024000221), we get a palindrome (2244004422).

The spelling of 1220004201 in words is "one billion, two hundred twenty million, four thousand, two hundred one".