1002203135 has 4 divisors (see below), whose sum is σ = 1202643768. Its totient is φ = 801762504.

The previous prime is 1002203131. The next prime is 1002203143. The reversal of 1002203135 is 5313022001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002203135 - 2² = 1002203131 is a prime.

It is a super-2 number, since 2×1002203135² = 2008822247607656450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002203131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100220309 + ... + 100220318.

It is an arithmetic number, because the mean of its divisors is an integer number (300660942).

Almost surely, 2^1002203135 is an apocalyptic number.

1002203135 is a deficient number, since it is larger than the sum of its proper divisors (200440633).

1002203135 is an equidigital number, since it uses as much as digits as its factorization.

1002203135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200440632.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1002203135 is about 31657.5920594097. The cubic root of 1002203135 is about 1000.7338396809.

Adding to 1002203135 its reverse (5313022001), we get a palindrome (6315225136).

The spelling of 1002203135 in words is "one billion, two million, two hundred three thousand, one hundred thirty-five".