1316045 has 4 divisors (see below), whose sum is σ = 1579260. Its totient is φ = 1052832.

The previous prime is 1316041. The next prime is 1316071. The reversal of 1316045 is 5406131.

1316045 is nontrivially palindromic in base 9.

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 357604 + 958441 = 598^2 + 979^2 .

It is a cyclic number.

It is not a de Polignac number, because 1316045 - 2² = 1316041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316041) 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, 131600 + ... + 131609.

It is an arithmetic number, because the mean of its divisors is an integer number (394815).

2^1316045 is an apocalyptic number.

It is an amenable number.

1316045 is a deficient number, since it is larger than the sum of its proper divisors (263215).

1316045 is an equidigital number, since it uses as much as digits as its factorization.

1316045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263214.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1316045 is about 1147.1900452846. The cubic root of 1316045 is about 109.5864638210.

The spelling of 1316045 in words is "one million, three hundred sixteen thousand, forty-five".