1151604 has 24 divisors (see below), whose sum is σ = 2985920. Its totient is φ = 383832.

The previous prime is 1151603. The next prime is 1151611. The reversal of 1151604 is 4061511.

1151604 is a `hidden beast` number, since 11 + 51 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5224 + ... + 5439.

2^1151604 is an apocalyptic number.

It is an amenable number.

1151604 is an abundant number, since it is smaller than the sum of its proper divisors (1834316).

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

1151604 is a wasteful number, since it uses less digits than its factorization.

1151604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10676 (or 10668 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1151604 is about 1073.1281377357. The cubic root of 1151604 is about 104.8176426604.

It can be divided in two parts, 11 and 51604, that added together give a palindrome (51615).

The spelling of 1151604 in words is "one million, one hundred fifty-one thousand, six hundred four".