1118212 has 6 divisors (see below), whose sum is σ = 1956878. Its totient is φ = 559104.

The previous prime is 1118203. The next prime is 1118219. The reversal of 1118212 is 2128111.

It can be written as a sum of positive squares in only one way, i.e., 1052676 + 65536 = 1026^2 + 256^2 .

It is a d-powerful number, because it can be written as 1 + 1 + 1 + 8⁴ + 2¹⁶ + 1 + 2²⁰ .

It is not an unprimeable number, because it can be changed into a prime (1118219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139773 + ... + 139780.

2^1118212 is an apocalyptic number.

It is an amenable number.

1118212 is a deficient number, since it is larger than the sum of its proper divisors (838666).

1118212 is a wasteful number, since it uses less digits than its factorization.

1118212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279557 (or 279555 counting only the distinct ones).

The product of its digits is 32, while the sum is 16.

The square root of 1118212 is about 1057.4554364133. The cubic root of 1118212 is about 103.7945896302.

It can be divided in two parts, 1118 and 212, that multiplied together give a triangular number (237016 = T₆₈₈).

The spelling of 1118212 in words is "one million, one hundred eighteen thousand, two hundred twelve".