100612530 has 40 divisors (see below), whose sum is σ = 270538092. Its totient is φ = 26829792.

The previous prime is 100612489. The next prime is 100612553. The reversal of 100612530 is 35216001.

100612530 is a `hidden beast` number, since 1 + 0 + 0 + 612 + 53 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 98188281 + 2424249 = 9909^2 + 1557^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 61297 + ... + 62916.

Almost surely, 2^100612530 is an apocalyptic number.

100612530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100612530 is an abundant number, since it is smaller than the sum of its proper divisors (169925562).

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

100612530 is a wasteful number, since it uses less digits than its factorization.

100612530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124232 (or 124223 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 100612530 is about 10030.5797439630. The cubic root of 100612530 is about 465.1046590645.

Adding to 100612530 its reverse (35216001), we get a palindrome (135828531).

The spelling of 100612530 in words is "one hundred million, six hundred twelve thousand, five hundred thirty".