1155460 has 12 divisors (see below), whose sum is σ = 2426508. Its totient is φ = 462176.

The previous prime is 1155457. The next prime is 1155461. The reversal of 1155460 is 645511.

It can be written as a sum of positive squares in 2 ways, for example, as 171396 + 984064 = 414^2 + 992^2 .

It is not an unprimeable number, because it can be changed into a prime (1155461) 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, 28867 + ... + 28906.

It is an arithmetic number, because the mean of its divisors is an integer number (202209).

2^1155460 is an apocalyptic number.

1155460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1155460 is an abundant number, since it is smaller than the sum of its proper divisors (1271048).

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

1155460 is a wasteful number, since it uses less digits than its factorization.

1155460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57782 (or 57780 counting only the distinct ones).

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

The square root of 1155460 is about 1074.9232530744. The cubic root of 1155460 is about 104.9345018573.

The spelling of 1155460 in words is "one million, one hundred fifty-five thousand, four hundred sixty".