1180904 has 8 divisors (see below), whose sum is σ = 2214210. Its totient is φ = 590448.

The previous prime is 1180903. The next prime is 1180913. The reversal of 1180904 is 4090811.

It can be written as a sum of positive squares in only one way, i.e., 996004 + 184900 = 998^2 + 430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1180904.

It is not an unprimeable number, because it can be changed into a prime (1180901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73799 + ... + 73814.

2^1180904 is an apocalyptic number.

It is an amenable number.

1180904 is a deficient number, since it is larger than the sum of its proper divisors (1033306).

1180904 is a wasteful number, since it uses less digits than its factorization.

1180904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147619 (or 147615 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1180904 is about 1086.6940691841. The cubic root of 1180904 is about 105.6991588499.

The spelling of 1180904 in words is "one million, one hundred eighty thousand, nine hundred four".