100115061 has 4 divisors (see below), whose sum is σ = 133486752. Its totient is φ = 66743372.

The previous prime is 100115017. The next prime is 100115101. The reversal of 100115061 is 160511001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100115061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100115061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100115011) 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 3 ways as a sum of consecutive naturals, for example, 16685841 + ... + 16685846.

It is an arithmetic number, because the mean of its divisors is an integer number (33371688).

Almost surely, 2^100115061 is an apocalyptic number.

It is an amenable number.

100115061 is a deficient number, since it is larger than the sum of its proper divisors (33371691).

100115061 is an equidigital number, since it uses as much as digits as its factorization.

100115061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33371690.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 100115061 is about 10005.7513960722. The cubic root of 100115061 is about 464.3368370779.

Adding to 100115061 its reverse (160511001), we get a palindrome (260626062).

The spelling of 100115061 in words is "one hundred million, one hundred fifteen thousand, sixty-one".