100368081 has 12 divisors (see below), whose sum is σ = 158155920. Its totient is φ = 60829080.

The previous prime is 100368031. The next prime is 100368083. The reversal of 100368081 is 180863001.

It is not a de Polignac number, because 100368081 - 2¹¹ = 100366033 is a prime.

It is a super-2 number, since 2×100368081² = 20147503367245122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100368083) 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 11 ways as a sum of consecutive naturals, for example, 506811 + ... + 507008.

It is an arithmetic number, because the mean of its divisors is an integer number (13179660).

Almost surely, 2^100368081 is an apocalyptic number.

100368081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100368081 is a deficient number, since it is larger than the sum of its proper divisors (57787839).

100368081 is a wasteful number, since it uses less digits than its factorization.

100368081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013836 (or 1013833 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 100368081 is about 10018.3871456438. The cubic root of 100368081 is about 464.7276796072.

The spelling of 100368081 in words is "one hundred million, three hundred sixty-eight thousand, eighty-one".