1001003012147 has 2 divisors, whose sum is σ = 1001003012148. Its totient is φ = 1001003012146.

The previous prime is 1001003012143. The next prime is 1001003012153. The reversal of 1001003012147 is 7412103001001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001003012147 - 2² = 1001003012143 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001003012143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500501506073 + 500501506074.

It is an arithmetic number, because the mean of its divisors is an integer number (500501506074).

Almost surely, 2^{1001003012147} is an apocalyptic number.

1001003012147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001003012147 is an equidigital number, since it uses as much as digits as its factorization.

1001003012147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 1001003012147 its reverse (7412103001001), we get a palindrome (8413106013148).

The spelling of 1001003012147 in words is "one trillion, one billion, three million, twelve thousand, one hundred forty-seven".