100025115 has 8 divisors (see below), whose sum is σ = 160040208. Its totient is φ = 53346720.

The previous prime is 100025099. The next prime is 100025141. The reversal of 100025115 is 511520001.

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

It is not a de Polignac number, because 100025115 - 2⁴ = 100025099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 6668341 = 100025115 / (1 + 0 + 0 + 0 + 2 + 5 + 1 + 1 + 5).

It is a junction number, because it is equal to n+sod(n) for n = 100025094 and 100025103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3334156 + ... + 3334185.

It is an arithmetic number, because the mean of its divisors is an integer number (20005026).

Almost surely, 2^100025115 is an apocalyptic number.

100025115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100025115 is a deficient number, since it is larger than the sum of its proper divisors (60015093).

100025115 is an equidigital number, since it uses as much as digits as its factorization.

100025115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668349.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 100025115 is about 10001.2556711645. The cubic root of 100025115 is about 464.1977379432.

Adding to 100025115 its reverse (511520001), we get a palindrome (611545116).

The spelling of 100025115 in words is "one hundred million, twenty-five thousand, one hundred fifteen".