101042055 has 12 divisors (see below), whose sum is σ = 175139640. Its totient is φ = 53889072.

The previous prime is 101042041. The next prime is 101042063. The reversal of 101042055 is 550240101.

It is not a de Polignac number, because 101042055 - 2⁵ = 101042023 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1122645 + ... + 1122734.

It is an arithmetic number, because the mean of its divisors is an integer number (14594970).

Almost surely, 2^101042055 is an apocalyptic number.

101042055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101042055 is a deficient number, since it is larger than the sum of its proper divisors (74097585).

101042055 is a wasteful number, since it uses less digits than its factorization.

101042055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245390 (or 2245387 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 101042055 is about 10051.9677178153. The cubic root of 101042055 is about 465.7655789513.

Adding to 101042055 its reverse (550240101), we get a palindrome (651282156).

The spelling of 101042055 in words is "one hundred one million, forty-two thousand, fifty-five".