1301887 has 2 divisors, whose sum is σ = 1301888. Its totient is φ = 1301886.

The previous prime is 1301879. The next prime is 1301893. The reversal of 1301887 is 7881031.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7881031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1301887 - 2³ = 1301879 is a prime.

It is a Chen prime.

1301887 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650943 + 650944.

It is an arithmetic number, because the mean of its divisors is an integer number (650944).

2^1301887 is an apocalyptic number.

1301887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301887 is an equidigital number, since it uses as much as digits as its factorization.

1301887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1301887 is about 1141.0026292695. The cubic root of 1301887 is about 109.1920694013.

The spelling of 1301887 in words is "one million, three hundred one thousand, eight hundred eighty-seven".