1081204 has 12 divisors (see below), whose sum is σ = 1906884. Its totient is φ = 536384.

The previous prime is 1081163. The next prime is 1081219. The reversal of 1081204 is 4021801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 425104 + 656100 = 652^2 + 810^2 .

It is a congruent number.

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, 439 + ... + 1534.

It is an arithmetic number, because the mean of its divisors is an integer number (158907).

2^1081204 is an apocalyptic number.

It is an amenable number.

1081204 is a deficient number, since it is larger than the sum of its proper divisors (825680).

1081204 is a wasteful number, since it uses less digits than its factorization.

1081204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1081204 is about 1039.8095979553. The cubic root of 1081204 is about 102.6366687719.

The spelling of 1081204 in words is "one million, eighty-one thousand, two hundred four".