118530153 has 12 divisors (see below), whose sum is σ = 195668928. Its totient is φ = 67731480.

The previous prime is 118530127. The next prime is 118530179. The reversal of 118530153 is 351035811.

118530153 is a `hidden beast` number, since 118 + 530 + 15 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (118530127) and next prime (118530179).

It is not a de Polignac number, because 118530153 - 2⁵ = 118530121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118530253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 940653 + ... + 940778.

It is an arithmetic number, because the mean of its divisors is an integer number (16305744).

Almost surely, 2^118530153 is an apocalyptic number.

It is an amenable number.

118530153 is a deficient number, since it is larger than the sum of its proper divisors (77138775).

118530153 is a wasteful number, since it uses less digits than its factorization.

118530153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881444 (or 1881441 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 118530153 is about 10887.1554136055. The cubic root of 118530153 is about 491.2202724664.

Adding to 118530153 its reverse (351035811), we get a palindrome (469565964).

The spelling of 118530153 in words is "one hundred eighteen million, five hundred thirty thousand, one hundred fifty-three".