1301587 has 12 divisors (see below), whose sum is σ = 1534896. Its totient is φ = 1100400.

The previous prime is 1301581. The next prime is 1301591. The reversal of 1301587 is 7851031.

It is not a de Polignac number, because 1301587 - 2⁷ = 1301459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4818 + ... + 5080.

It is an arithmetic number, because the mean of its divisors is an integer number (127908).

2^1301587 is an apocalyptic number.

1301587 is a deficient number, since it is larger than the sum of its proper divisors (233309).

1301587 is a wasteful number, since it uses less digits than its factorization.

1301587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1301587 is about 1140.8711583698. The cubic root of 1301587 is about 109.1836815414.

The spelling of 1301587 in words is "one million, three hundred one thousand, five hundred eighty-seven".