1187604 has 36 divisors (see below), whose sum is σ = 3276000. Its totient is φ = 359760.

The previous prime is 1187587. The next prime is 1187623. The reversal of 1187604 is 4067811.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1104 + ... + 1895.

It is an arithmetic number, because the mean of its divisors is an integer number (91000).

2^1187604 is an apocalyptic number.

It is an amenable number.

1187604 is an abundant number, since it is smaller than the sum of its proper divisors (2088396).

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

1187604 is a wasteful number, since it uses less digits than its factorization.

1187604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020 (or 3015 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1187604 is about 1089.7724533131. The cubic root of 1187604 is about 105.8986809242.

The spelling of 1187604 in words is "one million, one hundred eighty-seven thousand, six hundred four".