1218562 has 8 divisors (see below), whose sum is σ = 1842192. Its totient is φ = 604500.

The previous prime is 1218559. The next prime is 1218571. The reversal of 1218562 is 2658121.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2064 + ... + 2587.

It is an arithmetic number, because the mean of its divisors is an integer number (230274).

2^1218562 is an apocalyptic number.

1218562 is a deficient number, since it is larger than the sum of its proper divisors (623630).

1218562 is a wasteful number, since it uses less digits than its factorization.

1218562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784.

The product of its digits is 960, while the sum is 25.

The square root of 1218562 is about 1103.8849577741. The cubic root of 1218562 is about 106.8109743851.

The spelling of 1218562 in words is "one million, two hundred eighteen thousand, five hundred sixty-two".