100555071 has 16 divisors (see below), whose sum is σ = 136281600. Its totient is φ = 65939328.

The previous prime is 100555067. The next prime is 100555073. The reversal of 100555071 is 170555001.

It is not a de Polignac number, because 100555071 - 2² = 100555067 is a prime.

It is a super-2 number, since 2×100555071² = 20222644607630082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100555073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79240 + ... + 80498.

It is an arithmetic number, because the mean of its divisors is an integer number (8517600).

Almost surely, 2^100555071 is an apocalyptic number.

100555071 is a deficient number, since it is larger than the sum of its proper divisors (35726529).

100555071 is a wasteful number, since it uses less digits than its factorization.

100555071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678.

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 100555071 is about 10027.7151435409. The cubic root of 100555071 is about 465.0161030381.

It can be divided in two parts, 10055 and 5071, that multiplied together give a palindrome (50988905).

The spelling of 100555071 in words is "one hundred million, five hundred fifty-five thousand, seventy-one".