1155304 has 8 divisors (see below), whose sum is σ = 2166210. Its totient is φ = 577648.

The previous prime is 1155293. The next prime is 1155311. The reversal of 1155304 is 4035511.

It can be written as a sum of positive squares in only one way, i.e., 1144900 + 10404 = 1070^2 + 102^2 .

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

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72199 + ... + 72214.

2^1155304 is an apocalyptic number.

It is an amenable number.

1155304 is a deficient number, since it is larger than the sum of its proper divisors (1010906).

1155304 is a wasteful number, since it uses less digits than its factorization.

1155304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144419 (or 144415 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1155304 is about 1074.8506873050. The cubic root of 1155304 is about 104.9297792016.

It can be divided in two parts, 115 and 5304, that multiplied together give a triangular number (609960 = T₁₁₀₄).

The spelling of 1155304 in words is "one million, one hundred fifty-five thousand, three hundred four".