1310501 has 4 divisors (see below), whose sum is σ = 1338432. Its totient is φ = 1282572.

The previous prime is 1310489. The next prime is 1310509. The reversal of 1310501 is 1050131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1050131 = 233 ⋅4507.

It is a cyclic number.

It is not a de Polignac number, because 1310501 - 2¹⁸ = 1048357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13895 + ... + 13988.

It is an arithmetic number, because the mean of its divisors is an integer number (334608).

2^1310501 is an apocalyptic number.

It is an amenable number.

1310501 is a deficient number, since it is larger than the sum of its proper divisors (27931).

1310501 is an equidigital number, since it uses as much as digits as its factorization.

1310501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27930.

The product of its (nonzero) digits is 15, while the sum is 11.

The square root of 1310501 is about 1144.7711561705. The cubic root of 1310501 is about 109.4323651187.

Adding to 1310501 its reverse (1050131), we get a palindrome (2360632).

The spelling of 1310501 in words is "one million, three hundred ten thousand, five hundred one".