100232500 has 30 divisors (see below), whose sum is σ = 219193898. Its totient is φ = 40092000.

The previous prime is 100232491. The next prime is 100232507. The reversal of 100232500 is 5232001.

It can be written as a sum of positive squares in 5 ways, for example, as 65869456 + 34363044 = 8116^2 + 5862^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100232507) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17547 + ... + 22546.

Almost surely, 2^100232500 is an apocalyptic number.

100232500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100232500 is an abundant number, since it is smaller than the sum of its proper divisors (118961398).

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

100232500 is an equidigital number, since it uses as much as digits as its factorization.

100232500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40117 (or 40100 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 100232500 is about 10011.6182508124. The cubic root of 100232500 is about 464.5183280700.

Adding to 100232500 its reverse (5232001), we get a palindrome (105464501).

The spelling of 100232500 in words is "one hundred million, two hundred thirty-two thousand, five hundred".