1301230187 has 2 divisors, whose sum is σ = 1301230188. Its totient is φ = 1301230186.

The previous prime is 1301230123. The next prime is 1301230237. The reversal of 1301230187 is 7810321031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1301230187 - 2⁶ = 1301230123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301230787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650615093 + 650615094.

It is an arithmetic number, because the mean of its divisors is an integer number (650615094).

Almost surely, 2^1301230187 is an apocalyptic number.

1301230187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301230187 is an equidigital number, since it uses as much as digits as its factorization.

1301230187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1301230187 is about 36072.5683449349. The cubic root of 1301230187 is about 1091.7370353826.

The spelling of 1301230187 in words is "one billion, three hundred one million, two hundred thirty thousand, one hundred eighty-seven".