1301213227 has 2 divisors, whose sum is σ = 1301213228. Its totient is φ = 1301213226.

The previous prime is 1301213191. The next prime is 1301213257. The reversal of 1301213227 is 7223121031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301213227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1301213198 and 1301213207.

It is not a weakly prime, because it can be changed into another prime (1301213257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650606613 + 650606614.

It is an arithmetic number, because the mean of its divisors is an integer number (650606614).

Almost surely, 2^1301213227 is an apocalyptic number.

1301213227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301213227 is an equidigital number, since it uses as much as digits as its factorization.

1301213227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1301213227 is about 36072.3332624880. Note that the first 3 decimals coincide. The cubic root of 1301213227 is about 1091.7322921940.

Adding to 1301213227 its reverse (7223121031), we get a palindrome (8524334258).

The spelling of 1301213227 in words is "one billion, three hundred one million, two hundred thirteen thousand, two hundred twenty-seven".