1318049 has 4 divisors (see below), whose sum is σ = 1387440. Its totient is φ = 1248660.

The previous prime is 1318039. The next prime is 1318063. The reversal of 1318049 is 9408131.

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.

It is a cyclic number.

It is not a de Polignac number, because 1318049 - 2⁴ = 1318033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1318019) 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, 34667 + ... + 34704.

It is an arithmetic number, because the mean of its divisors is an integer number (346860).

2^1318049 is an apocalyptic number.

1318049 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1318049 is a deficient number, since it is larger than the sum of its proper divisors (69391).

1318049 is an equidigital number, since it uses as much as digits as its factorization.

1318049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69390.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1318049 is about 1148.0631515731. The cubic root of 1318049 is about 109.6420596649.

The spelling of 1318049 in words is "one million, three hundred eighteen thousand, forty-nine".