1303420402 has 8 divisors (see below), whose sum is σ = 1981913436. Its totient is φ = 642782592.

The previous prime is 1303420369. The next prime is 1303420411. The reversal of 1303420402 is 2040243031.

It can be written as a sum of positive squares in 2 ways, for example, as 1230676561 + 72743841 = 35081^2 + 8529^2 .

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

It is a super-3 number, since 3×1303420402³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1303420402.

It is an unprimeable number.

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, 4463623 + ... + 4463914.

Almost surely, 2^1303420402 is an apocalyptic number.

1303420402 is a deficient number, since it is larger than the sum of its proper divisors (678493034).

1303420402 is an equidigital number, since it uses as much as digits as its factorization.

1303420402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8927612.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1303420402 is about 36102.9140375123. The cubic root of 1303420402 is about 1092.3492249166.

Adding to 1303420402 its reverse (2040243031), we get a palindrome (3343663433).

The spelling of 1303420402 in words is "one billion, three hundred three million, four hundred twenty thousand, four hundred two".