1158530 has 8 divisors (see below), whose sum is σ = 2085372. Its totient is φ = 463408.

The previous prime is 1158529. The next prime is 1158539. The reversal of 1158530 is 358511.

It can be written as a sum of positive squares in 2 ways, for example, as 1129969 + 28561 = 1063^2 + 169^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1158496 and 1158505.

It is not an unprimeable number, because it can be changed into a prime (1158539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57917 + ... + 57936.

2^1158530 is an apocalyptic number.

1158530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1158530 is a deficient number, since it is larger than the sum of its proper divisors (926842).

1158530 is a wasteful number, since it uses less digits than its factorization.

1158530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115860.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1158530 is about 1076.3503147210. The cubic root of 1158530 is about 105.0273549287.

The spelling of 1158530 in words is "one million, one hundred fifty-eight thousand, five hundred thirty".