100081010 has 8 divisors (see below), whose sum is σ = 180145836. Its totient is φ = 40032400.

The previous prime is 100080997. The next prime is 100081031. The reversal of 100081010 is 10180001.

It can be written as a sum of positive squares in 2 ways, for example, as 100020001 + 61009 = 10001^2 + 247^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100080982 and 100081000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5004041 + ... + 5004060.

Almost surely, 2^100081010 is an apocalyptic number.

100081010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100081010 is a deficient number, since it is larger than the sum of its proper divisors (80064826).

100081010 is a wasteful number, since it uses less digits than its factorization.

100081010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10008108.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 100081010 is about 10004.0496800046. The cubic root of 100081010 is about 464.2841879014.

The spelling of 100081010 in words is "one hundred million, eighty-one thousand, ten".