1220325001 has 8 divisors (see below), whose sum is σ = 1395688320. Its totient is φ = 1045219488.

The previous prime is 1220324999. The next prime is 1220325019. The reversal of 1220325001 is 1005230221.

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 1220325001 - 2¹ = 1220324999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220325031) 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, 54196 + ... + 73333.

It is an arithmetic number, because the mean of its divisors is an integer number (174461040).

Almost surely, 2^1220325001 is an apocalyptic number.

It is an amenable number.

1220325001 is a deficient number, since it is larger than the sum of its proper divisors (175363319).

1220325001 is a wasteful number, since it uses less digits than its factorization.

1220325001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128903.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1220325001 is about 34933.1504591269. The cubic root of 1220325001 is about 1068.6246051211.

Adding to 1220325001 its reverse (1005230221), we get a palindrome (2225555222).

The spelling of 1220325001 in words is "one billion, two hundred twenty million, three hundred twenty-five thousand, one".