1180664 has 8 divisors (see below), whose sum is σ = 2213760. Its totient is φ = 590328.

The previous prime is 1180661. The next prime is 1180691. The reversal of 1180664 is 4660811.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73784 + ... + 73799.

It is an arithmetic number, because the mean of its divisors is an integer number (276720).

2^1180664 is an apocalyptic number.

It is an amenable number.

1180664 is a deficient number, since it is larger than the sum of its proper divisors (1033096).

1180664 is a wasteful number, since it uses less digits than its factorization.

1180664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147589 (or 147585 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1180664 is about 1086.5836369097. The cubic root of 1180664 is about 105.6919978058.

The spelling of 1180664 in words is "one million, one hundred eighty thousand, six hundred sixty-four".