1300021230 has 128 divisors (see below), whose sum is σ = 3367296000. Its totient is φ = 320246784.

The previous prime is 1300021213. The next prime is 1300021237. The reversal of 1300021230 is 321200031.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300021237) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6532671 + ... + 6532869.

It is an arithmetic number, because the mean of its divisors is an integer number (26307000).

Almost surely, 2^1300021230 is an apocalyptic number.

1300021230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1300021230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683648000).

1300021230 is an abundant number, since it is smaller than the sum of its proper divisors (2067274770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1300021230 is a wasteful number, since it uses less digits than its factorization.

1300021230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1300021230 is about 36055.8071605671. The cubic root of 1300021230 is about 1091.3988241239.

Adding to 1300021230 its reverse (321200031), we get a palindrome (1621221261).

The spelling of 1300021230 in words is "one billion, three hundred million, twenty-one thousand, two hundred thirty".