1118642 has 8 divisors (see below), whose sum is σ = 1917696. Its totient is φ = 479412.

The previous prime is 1118629. The next prime is 1118653. The reversal of 1118642 is 2468111.

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, 39938 + ... + 39965.

It is an arithmetic number, because the mean of its divisors is an integer number (239712).

2^1118642 is an apocalyptic number.

1118642 is a deficient number, since it is larger than the sum of its proper divisors (799054).

1118642 is an equidigital number, since it uses as much as digits as its factorization.

1118642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79912.

The product of its digits is 384, while the sum is 23.

The square root of 1118642 is about 1057.6587351315. The cubic root of 1118642 is about 103.8078924010.

The spelling of 1118642 in words is "one million, one hundred eighteen thousand, six hundred forty-two".