1105604 has 6 divisors (see below), whose sum is σ = 1934814. Its totient is φ = 552800.

The previous prime is 1105603. The next prime is 1105607. The reversal of 1105604 is 4065011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 643204 + 462400 = 802^2 + 680^2 .

It is not an unprimeable number, because it can be changed into a prime (1105603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138197 + ... + 138204.

It is an arithmetic number, because the mean of its divisors is an integer number (322469).

2^1105604 is an apocalyptic number.

It is an amenable number.

1105604 is a deficient number, since it is larger than the sum of its proper divisors (829210).

1105604 is a wasteful number, since it uses less digits than its factorization.

1105604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276405 (or 276403 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1105604 is about 1051.4770563355. The cubic root of 1105604 is about 103.4030146265.

The spelling of 1105604 in words is "one million, one hundred five thousand, six hundred four".