1421303330 has 8 divisors (see below), whose sum is σ = 2558346012. Its totient is φ = 568521328.

The previous prime is 1421303321. The next prime is 1421303353. The reversal of 1421303330 is 333031241.

It can be written as a sum of positive squares in 2 ways, for example, as 1252381321 + 168922009 = 35389^2 + 12997^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71065157 + ... + 71065176.

Almost surely, 2^1421303330 is an apocalyptic number.

1421303330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421303330 is a deficient number, since it is larger than the sum of its proper divisors (1137042682).

1421303330 is a wasteful number, since it uses less digits than its factorization.

1421303330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142130340.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1421303330 is about 37700.1767900364. The cubic root of 1421303330 is about 1124.3346399786.

Adding to 1421303330 its reverse (333031241), we get a palindrome (1754334571).

The spelling of 1421303330 in words is "one billion, four hundred twenty-one million, three hundred three thousand, three hundred thirty".