1301225147 has 2 divisors, whose sum is σ = 1301225148. Its totient is φ = 1301225146.

The previous prime is 1301225143. The next prime is 1301225173. The reversal of 1301225147 is 7415221031.

It is an a-pointer prime, because the next prime (1301225173) can be obtained adding 1301225147 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (7415221031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1301225147 - 2² = 1301225143 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301225143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650612573 + 650612574.

It is an arithmetic number, because the mean of its divisors is an integer number (650612574).

Almost surely, 2^1301225147 is an apocalyptic number.

1301225147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301225147 is an equidigital number, since it uses as much as digits as its factorization.

1301225147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1301225147 is about 36072.4984856885. The cubic root of 1301225147 is about 1091.7356258545.

Adding to 1301225147 its reverse (7415221031), we get a palindrome (8716446178).

The spelling of 1301225147 in words is "one billion, three hundred one million, two hundred twenty-five thousand, one hundred forty-seven".