1315045 has 4 divisors (see below), whose sum is σ = 1578060. Its totient is φ = 1052032.

The previous prime is 1315037. The next prime is 1315049. The reversal of 1315045 is 5405131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 820836 + 494209 = 906^2 + 703^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315045 - 2³ = 1315037 is a prime.

It is a congruent 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, 131500 + ... + 131509.

It is an arithmetic number, because the mean of its divisors is an integer number (394515).

2^1315045 is an apocalyptic number.

It is an amenable number.

1315045 is a deficient number, since it is larger than the sum of its proper divisors (263015).

1315045 is an equidigital number, since it uses as much as digits as its factorization.

1315045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263014.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1315045 is about 1146.7541148825. The cubic root of 1315045 is about 109.5587002739.

The spelling of 1315045 in words is "one million, three hundred fifteen thousand, forty-five".