100242015 has 8 divisors (see below), whose sum is σ = 160387248. Its totient is φ = 53462400.

The previous prime is 100241993. The next prime is 100242019. The reversal of 100242015 is 510242001.

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

It is not a de Polignac number, because 100242015 - 2⁸ = 100241759 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: 6682801 = 100242015 / (1 + 0 + 0 + 2 + 4 + 2 + 0 + 1 + 5).

It is a junction number, because it is equal to n+sod(n) for n = 100241985 and 100242003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100242019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3341386 + ... + 3341415.

It is an arithmetic number, because the mean of its divisors is an integer number (20048406).

Almost surely, 2^100242015 is an apocalyptic number.

100242015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100242015 is a deficient number, since it is larger than the sum of its proper divisors (60145233).

100242015 is an equidigital number, since it uses as much as digits as its factorization.

100242015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6682809.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 100242015 is about 10012.0934374385. The cubic root of 100242015 is about 464.5330264032.

Adding to 100242015 its reverse (510242001), we get a palindrome (610484016).

The spelling of 100242015 in words is "one hundred million, two hundred forty-two thousand, fifteen".