1315901 has 2 divisors, whose sum is σ = 1315902. Its totient is φ = 1315900.

The previous prime is 1315891. The next prime is 1315907. The reversal of 1315901 is 1095131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 811801 + 504100 = 901^2 + 710^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315901 - 2⁶ = 1315837 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657950 + 657951.

It is an arithmetic number, because the mean of its divisors is an integer number (657951).

2^1315901 is an apocalyptic number.

It is an amenable number.

1315901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315901 is an equidigital number, since it uses as much as digits as its factorization.

1315901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 1315901 is about 1147.1272815167. The cubic root of 1315901 is about 109.5824667372.

The spelling of 1315901 in words is "one million, three hundred fifteen thousand, nine hundred one".