1207220001 has 8 divisors (see below), whose sum is σ = 1733444160. Its totient is φ = 742904592.

The previous prime is 1207219991. The next prime is 1207220009. The reversal of 1207220001 is 1000227021.

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

It is not a de Polignac number, because 1207220001 - 2¹⁴ = 1207203617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1207220009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15477141 + ... + 15477218.

It is an arithmetic number, because the mean of its divisors is an integer number (216680520).

Almost surely, 2^1207220001 is an apocalyptic number.

It is an amenable number.

1207220001 is a deficient number, since it is larger than the sum of its proper divisors (526224159).

1207220001 is a wasteful number, since it uses less digits than its factorization.

1207220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30954375.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1207220001 is about 34745.0716073517. The cubic root of 1207220001 is about 1064.7855302221.

Adding to 1207220001 its reverse (1000227021), we get a palindrome (2207447022).

The spelling of 1207220001 in words is "one billion, two hundred seven million, two hundred twenty thousand, one".