1081212 has 24 divisors (see below), whose sum is σ = 2752512. Its totient is φ = 327600.

The previous prime is 1081163. The next prime is 1081219. The reversal of 1081212 is 2121801.

1081212 is a modest number, since divided by 1212 gives 108 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1081191 and 1081200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3964 + ... + 4227.

It is an arithmetic number, because the mean of its divisors is an integer number (114688).

2^1081212 is an apocalyptic number.

1081212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1081212 is an abundant number, since it is smaller than the sum of its proper divisors (1671300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1081212 is a wasteful number, since it uses less digits than its factorization.

1081212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8209 (or 8207 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 1081212 is about 1039.8134448063. The cubic root of 1081212 is about 102.6369219129.

The spelling of 1081212 in words is "one million, eighty-one thousand, two hundred twelve".