1002403201 has 4 divisors (see below), whose sum is σ = 1014480432. Its totient is φ = 990325972.

The previous prime is 1002403187. The next prime is 1002403217. The reversal of 1002403201 is 1023042001.

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 a cyclic number.

It is not a de Polignac number, because 1002403201 - 2²¹ = 1000306049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002403261) 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 3 ways as a sum of consecutive naturals, for example, 6038491 + ... + 6038656.

It is an arithmetic number, because the mean of its divisors is an integer number (253620108).

Almost surely, 2^1002403201 is an apocalyptic number.

It is an amenable number.

1002403201 is a deficient number, since it is larger than the sum of its proper divisors (12077231).

1002403201 is an equidigital number, since it uses as much as digits as its factorization.

1002403201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12077230.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1002403201 is about 31660.7517440758. The cubic root of 1002403201 is about 1000.8004261470.

Adding to 1002403201 its reverse (1023042001), we get a palindrome (2025445202).

The spelling of 1002403201 in words is "one billion, two million, four hundred three thousand, two hundred one".