1230425321 has 2 divisors, whose sum is σ = 1230425322. Its totient is φ = 1230425320.

The previous prime is 1230425291. The next prime is 1230425333. The reversal of 1230425321 is 1235240321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1095610000 + 134815321 = 33100^2 + 11611^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230425321 - 2⁶ = 1230425257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1230425341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615212660 + 615212661.

It is an arithmetic number, because the mean of its divisors is an integer number (615212661).

Almost surely, 2^1230425321 is an apocalyptic number.

It is an amenable number.

1230425321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230425321 is an equidigital number, since it uses as much as digits as its factorization.

1230425321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1230425321 is about 35077.4189614915. The cubic root of 1230425321 is about 1071.5647531477.

Adding to 1230425321 its reverse (1235240321), we get a palindrome (2465665642).

The spelling of 1230425321 in words is "one billion, two hundred thirty million, four hundred twenty-five thousand, three hundred twenty-one".