1301220001 has 8 divisors (see below), whose sum is σ = 1386889344. Its totient is φ = 1216564800.

The previous prime is 1301219989. The next prime is 1301220007. The reversal of 1301220001 is 1000221031.

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 1301220001 - 2¹³ = 1301211809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1301220001.

It is not an unprimeable number, because it can be changed into a prime (1301220007) 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, 250885 + ... + 256018.

It is an arithmetic number, because the mean of its divisors is an integer number (173361168).

Almost surely, 2^1301220001 is an apocalyptic number.

It is an amenable number.

1301220001 is a deficient number, since it is larger than the sum of its proper divisors (85669343).

1301220001 is a wasteful number, since it uses less digits than its factorization.

1301220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507071.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1301220001 is about 36072.4271570406. The cubic root of 1301220001 is about 1091.7341866777.

Adding to 1301220001 its reverse (1000221031), we get a palindrome (2301441032).

The spelling of 1301220001 in words is "one billion, three hundred one million, two hundred twenty thousand, one".