1118636 has 6 divisors (see below), whose sum is σ = 1957620. Its totient is φ = 559316.

The previous prime is 1118629. The next prime is 1118653. The reversal of 1118636 is 6368111.

It is an Ulam number.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139826 + ... + 139833.

It is an arithmetic number, because the mean of its divisors is an integer number (326270).

2^1118636 is an apocalyptic number.

It is an amenable number.

1118636 is a deficient number, since it is larger than the sum of its proper divisors (838984).

1118636 is a wasteful number, since it uses less digits than its factorization.

1118636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279663 (or 279661 counting only the distinct ones).

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

The square root of 1118636 is about 1057.6558986740. The cubic root of 1118636 is about 103.8077068044.

The spelling of 1118636 in words is "one million, one hundred eighteen thousand, six hundred thirty-six".