1002130001 has 4 divisors (see below), whose sum is σ = 1002295104. Its totient is φ = 1001964900.

The previous prime is 1002129959. The next prime is 1002130043. The reversal of 1002130001 is 1000312001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1002129959) and next prime (1002130043).

It is a cyclic number.

It is not a de Polignac number, because 1002130001 - 2⁶ = 1002129937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1002130601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73085 + ... + 85706.

It is an arithmetic number, because the mean of its divisors is an integer number (250573776).

Almost surely, 2^1002130001 is an apocalyptic number.

It is an amenable number.

1002130001 is a deficient number, since it is larger than the sum of its proper divisors (165103).

1002130001 is an equidigital number, since it uses as much as digits as its factorization.

1002130001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165102.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1002130001 is about 31656.4369599612. The cubic root of 1002130001 is about 1000.7094968285.

Adding to 1002130001 its reverse (1000312001), we get a palindrome (2002442002).

The spelling of 1002130001 in words is "one billion, two million, one hundred thirty thousand, one".