1301003001 has 12 divisors (see below), whose sum is σ = 1888135600. Its totient is φ = 863223480.

The previous prime is 1301002999. The next prime is 1301003063. The reversal of 1301003001 is 1003001031.

It is not a de Polignac number, because 1301003001 - 2¹ = 1301002999 is a prime.

It is a super-2 number, since 2×1301003001² = 3385217617222012002, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301003201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340651 + ... + 344448.

Almost surely, 2^1301003001 is an apocalyptic number.

It is an amenable number.

1301003001 is a deficient number, since it is larger than the sum of its proper divisors (587132599).

1301003001 is a wasteful number, since it uses less digits than its factorization.

1301003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685316 (or 685313 counting only the distinct ones).

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

The square root of 1301003001 is about 36069.4191941040. The cubic root of 1301003001 is about 1091.6734950476.

Adding to 1301003001 its reverse (1003001031), we get a palindrome (2304004032).

The spelling of 1301003001 in words is "one billion, three hundred one million, three thousand, one".