1002231002 has 4 divisors (see below), whose sum is σ = 1503346506. Its totient is φ = 501115500.

The previous prime is 1002230993. The next prime is 1002231029. The reversal of 1002231002 is 2001322001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2001322001 = 7 ⋅285903143.

It can be written as a sum of positive squares in only one way, i.e., 953636161 + 48594841 = 30881^2 + 6971^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 250557749 + ... + 250557752.

Almost surely, 2^1002231002 is an apocalyptic number.

1002231002 is a deficient number, since it is larger than the sum of its proper divisors (501115504).

1002231002 is an equidigital number, since it uses as much as digits as its factorization.

1002231002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501115503.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1002231002 is about 31658.0321877403. The cubic root of 1002231002 is about 1000.7431149767.

Adding to 1002231002 its reverse (2001322001), we get a palindrome (3003553003).

Subtracting 1002231002 from its reverse (2001322001), we obtain a palindrome (999090999).

The spelling of 1002231002 in words is "one billion, two million, two hundred thirty-one thousand, two".