1155604 has 12 divisors (see below), whose sum is σ = 2032128. Its totient is φ = 575000.

The previous prime is 1155601. The next prime is 1155607. The reversal of 1155604 is 4065511.

It is an interprime number because it is at equal distance from previous prime (1155601) and next prime (1155607).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155601) 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 in 3 ways as a sum of consecutive naturals, for example, 429 + ... + 1579.

It is an arithmetic number, because the mean of its divisors is an integer number (169344).

2^1155604 is an apocalyptic number.

It is an amenable number.

1155604 is a deficient number, since it is larger than the sum of its proper divisors (876524).

1155604 is a wasteful number, since it uses less digits than its factorization.

1155604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406 (or 1404 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1155604 is about 1074.9902325138. The cubic root of 1155604 is about 104.9388608544.

The spelling of 1155604 in words is "one million, one hundred fifty-five thousand, six hundred four".