100744081 has 8 divisors (see below), whose sum is σ = 105013760. Its totient is φ = 96555888.

The previous prime is 100744073. The next prime is 100744087. The reversal of 100744081 is 180447001.

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 100744081 - 2³ = 100744073 is a prime.

It is a super-2 number, since 2×100744081² = 20298739713069122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100744087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17841 + ... + 22798.

It is an arithmetic number, because the mean of its divisors is an integer number (13126720).

Almost surely, 2^100744081 is an apocalyptic number.

It is an amenable number.

100744081 is a deficient number, since it is larger than the sum of its proper divisors (4269679).

100744081 is an equidigital number, since it uses as much as digits as its factorization.

100744081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40743.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 100744081 is about 10037.1350992203. The cubic root of 100744081 is about 465.3072790758.

The spelling of 100744081 in words is "one hundred million, seven hundred forty-four thousand, eighty-one".