1230300021 has 8 divisors (see below), whose sum is σ = 1641036384. Its totient is φ = 819881840.

The previous prime is 1230299977. The next prime is 1230300091. The reversal of 1230300021 is 1200030321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1230300021 - 2⁷ = 1230299893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230300091) 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, 70371 + ... + 86096.

It is an arithmetic number, because the mean of its divisors is an integer number (205129548).

Almost surely, 2^1230300021 is an apocalyptic number.

It is an amenable number.

1230300021 is a deficient number, since it is larger than the sum of its proper divisors (410736363).

1230300021 is a wasteful number, since it uses less digits than its factorization.

1230300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159091.

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

The square root of 1230300021 is about 35075.6328667068. The cubic root of 1230300021 is about 1071.5283777527.

Adding to 1230300021 its reverse (1200030321), we get a palindrome (2430330342).

The spelling of 1230300021 in words is "one billion, two hundred thirty million, three hundred thousand, twenty-one".