1301387 has 2 divisors, whose sum is σ = 1301388. Its totient is φ = 1301386.

The previous prime is 1301353. The next prime is 1301389. The reversal of 1301387 is 7831031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1301387 - 2⁶ = 1301323 is a prime.

Together with 1301389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1301389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650693 + 650694.

It is an arithmetic number, because the mean of its divisors is an integer number (650694).

2^1301387 is an apocalyptic number.

1301387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301387 is an equidigital number, since it uses as much as digits as its factorization.

1301387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1301387 is about 1140.7835026858. The cubic root of 1301387 is about 109.1780889187.

The spelling of 1301387 in words is "one million, three hundred one thousand, three hundred eighty-seven".