1304021230 has 16 divisors (see below), whose sum is σ = 2350599264. Its totient is φ = 520861600.

The previous prime is 1304021219. The next prime is 1304021233. The reversal of 1304021230 is 321204031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304021233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86002 + ... + 100021.

It is an arithmetic number, because the mean of its divisors is an integer number (146912454).

Almost surely, 2^1304021230 is an apocalyptic number.

1304021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304021230 is a deficient number, since it is larger than the sum of its proper divisors (1046578034).

1304021230 is a wasteful number, since it uses less digits than its factorization.

1304021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186731.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1304021230 is about 36111.2341245768. The cubic root of 1304021230 is about 1092.5170431635.

Adding to 1304021230 its reverse (321204031), we get a palindrome (1625225261).

The spelling of 1304021230 in words is "one billion, three hundred four million, twenty-one thousand, two hundred thirty".