100487081 has 8 divisors (see below), whose sum is σ = 104073984. Its totient is φ = 96960640.

The previous prime is 100487077. The next prime is 100487129. The reversal of 100487081 is 180784001.

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 100487081 - 2² = 100487077 is a prime.

It is a super-2 number, since 2×100487081² = 20195306895801122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100487011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11720 + ... + 18393.

It is an arithmetic number, because the mean of its divisors is an integer number (13009248).

Almost surely, 2^100487081 is an apocalyptic number.

It is an amenable number.

100487081 is a deficient number, since it is larger than the sum of its proper divisors (3586903).

100487081 is an equidigital number, since it uses as much as digits as its factorization.

100487081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30231.

The product of its (nonzero) digits is 1792, while the sum is 29.

The square root of 100487081 is about 10024.3244660176. The cubic root of 100487081 is about 464.9112730082.

The spelling of 100487081 in words is "one hundred million, four hundred eighty-seven thousand, eighty-one".