1300257 has 12 divisors (see below), whose sum is σ = 2146560. Its totient is φ = 742968.

The previous prime is 1300253. The next prime is 1300283. The reversal of 1300257 is 7520031.

It is not a de Polignac number, because 1300257 - 2² = 1300253 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1300253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10257 + ... + 10382.

It is an arithmetic number, because the mean of its divisors is an integer number (178880).

2^1300257 is an apocalyptic number.

It is an amenable number.

1300257 is a deficient number, since it is larger than the sum of its proper divisors (846303).

1300257 is a wasteful number, since it uses less digits than its factorization.

1300257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20652 (or 20649 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 1300257 is about 1140.2881214851. The cubic root of 1300257 is about 109.1464798315.

Adding to 1300257 its reverse (7520031), we get a palindrome (8820288).

The spelling of 1300257 in words is "one million, three hundred thousand, two hundred fifty-seven".