1155064 has 8 divisors (see below), whose sum is σ = 2165760. Its totient is φ = 577528.

The previous prime is 1155061. The next prime is 1155071. The reversal of 1155064 is 4605511.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72184 + ... + 72199.

It is an arithmetic number, because the mean of its divisors is an integer number (270720).

2^1155064 is an apocalyptic number.

It is an amenable number.

1155064 is a deficient number, since it is larger than the sum of its proper divisors (1010696).

1155064 is a wasteful number, since it uses less digits than its factorization.

1155064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144389 (or 144385 counting only the distinct ones).

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

The square root of 1155064 is about 1074.7390380925. The cubic root of 1155064 is about 104.9225127474.

The spelling of 1155064 in words is "one million, one hundred fifty-five thousand, sixty-four".