1001103201 has 12 divisors (see below), whose sum is σ = 1652614912. Its totient is φ = 572058936.

The previous prime is 1001103133. The next prime is 1001103203. The reversal of 1001103201 is 1023011001.

It is not a de Polignac number, because 1001103201 - 2⁷ = 1001103073 is a prime.

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 (1001103203) 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, 7945201 + ... + 7945326.

Almost surely, 2^1001103201 is an apocalyptic number.

It is an amenable number.

1001103201 is a deficient number, since it is larger than the sum of its proper divisors (651511711).

1001103201 is a wasteful number, since it uses less digits than its factorization.

1001103201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15890540 (or 15890537 counting only the distinct ones).

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

The square root of 1001103201 is about 31640.2149328983. The cubic root of 1001103201 is about 1000.3675985214.

Adding to 1001103201 its reverse (1023011001), we get a palindrome (2024114202).

The spelling of 1001103201 in words is "one billion, one million, one hundred three thousand, two hundred one".