1321002230 has 16 divisors (see below), whose sum is σ = 2401348464. Its totient is φ = 523168800.

The previous prime is 1321002191. The next prime is 1321002251. The reversal of 1321002230 is 322001231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 652952 + ... + 654971.

It is an arithmetic number, because the mean of its divisors is an integer number (150084279).

Almost surely, 2^1321002230 is an apocalyptic number.

1321002230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321002230 is a deficient number, since it is larger than the sum of its proper divisors (1080346234).

1321002230 is a wasteful number, since it uses less digits than its factorization.

1321002230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308031.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1321002230 is about 36345.5943685063. The cubic root of 1321002230 is about 1097.2388684169.

Adding to 1321002230 its reverse (322001231), we get a palindrome (1643003461).

Subtracting from 1321002230 its reverse (322001231), we obtain a palindrome (999000999).

The spelling of 1321002230 in words is "one billion, three hundred twenty-one million, two thousand, two hundred thirty".