103927942081 has 4 divisors (see below), whose sum is σ = 103929349972. Its totient is φ = 103926534192.

The previous prime is 103927942073. The next prime is 103927942087. The reversal of 103927942081 is 180249729301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54810301456 + 49117640625 = 234116^2 + 221625^2 .

It is a cyclic number.

It is not a de Polignac number, because 103927942081 - 2³ = 103927942073 is a prime.

It is a super-2 number, since 2×103927942081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103927942087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586710 + ... + 743023.

It is an arithmetic number, because the mean of its divisors is an integer number (25982337493).

Almost surely, 2^103927942081 is an apocalyptic number.

It is an amenable number.

103927942081 is a deficient number, since it is larger than the sum of its proper divisors (1407891).

103927942081 is an equidigital number, since it uses as much as digits as its factorization.

103927942081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407890.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 103927942081 in words is "one hundred three billion, nine hundred twenty-seven million, nine hundred forty-two thousand, eighty-one".