1387118 has 8 divisors (see below), whose sum is σ = 2087112. Its totient is φ = 691416.

The previous prime is 1387117. The next prime is 1387121. The reversal of 1387118 is 8117831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1387117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (260889).

2^1387118 is an apocalyptic number.

1387118 is a deficient number, since it is larger than the sum of its proper divisors (699994).

1387118 is a wasteful number, since it uses less digits than its factorization.

1387118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146.

The product of its digits is 1344, while the sum is 29.

The square root of 1387118 is about 1177.7597378073. The cubic root of 1387118 is about 111.5247185238.

The spelling of 1387118 in words is "one million, three hundred eighty-seven thousand, one hundred eighteen".