1115530 has 16 divisors (see below), whose sum is σ = 2162664. Its totient is φ = 411840.

The previous prime is 1115519. The next prime is 1115531. The reversal of 1115530 is 355111.

It can be written as a sum of positive squares in 4 ways, for example, as 281961 + 833569 = 531^2 + 913^2 .

It is not an unprimeable number, because it can be changed into a prime (1115531) 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 7 ways as a sum of consecutive naturals, for example, 4161 + ... + 4420.

2^1115530 is an apocalyptic number.

1115530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115530 is a deficient number, since it is larger than the sum of its proper divisors (1047134).

1115530 is a wasteful number, since it uses less digits than its factorization.

1115530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8601.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 1115530 is about 1056.1865365550. The cubic root of 1115530 is about 103.7115403973.

The spelling of 1115530 in words is "one million, one hundred fifteen thousand, five hundred thirty".