1301120001 has 12 divisors (see below), whose sum is σ = 1892010900. Its totient is φ = 861590880.

The previous prime is 1301119993. The next prime is 1301120017. The reversal of 1301120001 is 1000211031.

It can be written as a sum of positive squares in 2 ways, for example, as 865771776 + 435348225 = 29424^2 + 20865^2 .

It is not a de Polignac number, because 1301120001 - 2³ = 1301119993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1301120071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 483790 + ... + 486471.

It is an arithmetic number, because the mean of its divisors is an integer number (157667575).

Almost surely, 2^1301120001 is an apocalyptic number.

It is an amenable number.

1301120001 is a deficient number, since it is larger than the sum of its proper divisors (590890899).

1301120001 is a wasteful number, since it uses less digits than its factorization.

1301120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970416 (or 970413 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1301120001 is about 36071.0410301671. The cubic root of 1301120001 is about 1091.7062190229.

Adding to 1301120001 its reverse (1000211031), we get a palindrome (2301331032).

The spelling of 1301120001 in words is "one billion, three hundred one million, one hundred twenty thousand, one".