1329421030 has 16 divisors (see below), whose sum is σ = 2734809120. Its totient is φ = 455801472.

The previous prime is 1329420979. The next prime is 1329421033. The reversal of 1329421030 is 301249231.

It is a junction number, because it is equal to n+sod(n) for n = 1329420986 and 1329421004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329421033) 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 7 ways as a sum of consecutive naturals, for example, 9495795 + ... + 9495934.

It is an arithmetic number, because the mean of its divisors is an integer number (170925570).

Almost surely, 2^1329421030 is an apocalyptic number.

1329421030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1329421030 is an abundant number, since it is smaller than the sum of its proper divisors (1405388090).

1329421030 is a wasteful number, since it uses less digits than its factorization.

1329421030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18991743.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1329421030 is about 36461.2263918810. The cubic root of 1329421030 is about 1099.5648499198.

The spelling of 1329421030 in words is "one billion, three hundred twenty-nine million, four hundred twenty-one thousand, thirty".