101542117 has 16 divisors (see below), whose sum is σ = 107448768. Its totient is φ = 95854720.

The previous prime is 101542093. The next prime is 101542123. The reversal of 101542117 is 711245101.

It is not a de Polignac number, because 101542117 - 2⁷ = 101541989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101542157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180078 + ... + 180640.

It is an arithmetic number, because the mean of its divisors is an integer number (6715548).

Almost surely, 2^101542117 is an apocalyptic number.

It is an amenable number.

101542117 is a deficient number, since it is larger than the sum of its proper divisors (5906651).

101542117 is an equidigital number, since it uses as much as digits as its factorization.

101542117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 101542117 is about 10076.8108546305. The cubic root of 101542117 is about 466.5326802985.

Adding to 101542117 its reverse (711245101), we get a palindrome (812787218).

The spelling of 101542117 in words is "one hundred one million, five hundred forty-two thousand, one hundred seventeen".