1001013201 has 16 divisors (see below), whose sum is σ = 1488763200. Its totient is φ = 664740864.

The previous prime is 1001013151. The next prime is 1001013239. The reversal of 1001013201 is 1023101001.

It is not a de Polignac number, because 1001013201 - 2⁶ = 1001013137 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 (1001013241) 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 15 ways as a sum of consecutive naturals, for example, 65191 + ... + 79068.

It is an arithmetic number, because the mean of its divisors is an integer number (93047700).

Almost surely, 2^1001013201 is an apocalyptic number.

It is an amenable number.

1001013201 is a deficient number, since it is larger than the sum of its proper divisors (487749999).

1001013201 is a wasteful number, since it uses less digits than its factorization.

1001013201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144525 (or 144519 counting only the distinct ones).

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

The square root of 1001013201 is about 31638.7926602770. The cubic root of 1001013201 is about 1000.3376196668.

Adding to 1001013201 its reverse (1023101001), we get a palindrome (2024114202).

The spelling of 1001013201 in words is "one billion, one million, thirteen thousand, two hundred one".