1315043 has 4 divisors (see below), whose sum is σ = 1317360. Its totient is φ = 1312728.

The previous prime is 1315037. The next prime is 1315049. The reversal of 1315043 is 3405131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1315037) and next prime (1315049).

It is a cyclic number.

It is not a de Polignac number, because 1315043 - 2¹⁸ = 1052899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315049) 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, 338 + ... + 1656.

It is an arithmetic number, because the mean of its divisors is an integer number (329340).

2^1315043 is an apocalyptic number.

1315043 is a deficient number, since it is larger than the sum of its proper divisors (2317).

1315043 is an equidigital number, since it uses as much as digits as its factorization.

1315043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1315043 is about 1146.7532428557. The cubic root of 1315043 is about 109.5586447327.

The spelling of 1315043 in words is "one million, three hundred fifteen thousand, forty-three".