101055109 has 8 divisors (see below), whose sum is σ = 102216960. Its totient is φ = 99898176.

The previous prime is 101055107. The next prime is 101055121. The reversal of 101055109 is 901550101.

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

It is a cyclic number.

It is not a de Polignac number, because 101055109 - 2¹ = 101055107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101055109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101055107) 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 7 ways as a sum of consecutive naturals, for example, 53194 + ... + 55060.

It is an arithmetic number, because the mean of its divisors is an integer number (12777120).

Almost surely, 2^101055109 is an apocalyptic number.

It is an amenable number.

101055109 is a deficient number, since it is larger than the sum of its proper divisors (1161851).

101055109 is a wasteful number, since it uses less digits than its factorization.

101055109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459.

The product of its (nonzero) digits is 225, while the sum is 22.

The square root of 101055109 is about 10052.6170224474. The cubic root of 101055109 is about 465.7856360851.

The spelling of 101055109 in words is "one hundred one million, fifty-five thousand, one hundred nine".