101195055 has 96 divisors (see below), whose sum is σ = 204388800. Its totient is φ = 47215872.

The previous prime is 101195053. The next prime is 101195057. The reversal of 101195055 is 550591101.

It is an interprime number because it is at equal distance from previous prime (101195053) and next prime (101195057).

It is not a de Polignac number, because 101195055 - 2¹ = 101195053 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101195051) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 928341 + ... + 928449.

It is an arithmetic number, because the mean of its divisors is an integer number (2129050).

Almost surely, 2^101195055 is an apocalyptic number.

101195055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

101195055 is an abundant number, since it is smaller than the sum of its proper divisors (103193745).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101195055 is a wasteful number, since it uses less digits than its factorization.

101195055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 27.

The square root of 101195055 is about 10059.5752892456. The cubic root of 101195055 is about 466.0005510625. Note that the first 3 decimals are identical.

The spelling of 101195055 in words is "one hundred one million, one hundred ninety-five thousand, fifty-five".