1003402402 has 8 divisors (see below), whose sum is σ = 1505324700. Its totient is φ = 501627504.

The previous prime is 1003402381. The next prime is 1003402403. The reversal of 1003402402 is 2042043001.

It can be written as a sum of positive squares in 2 ways, for example, as 941323761 + 62078641 = 30681^2 + 7879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1003402403) 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, 17877 + ... + 48232.

Almost surely, 2^1003402402 is an apocalyptic number.

1003402402 is a deficient number, since it is larger than the sum of its proper divisors (501922298).

1003402402 is an equidigital number, since it uses as much as digits as its factorization.

1003402402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73700.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1003402402 is about 31676.5276190431. The cubic root of 1003402402 is about 1001.1328501659.

Adding to 1003402402 its reverse (2042043001), we get a palindrome (3045445403).

The spelling of 1003402402 in words is "one billion, three million, four hundred two thousand, four hundred two".