105504681 has 8 divisors (see below), whose sum is σ = 140724640. Its totient is φ = 70310592.

The previous prime is 105504677. The next prime is 105504683. The reversal of 105504681 is 186405501.

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

It is not a de Polignac number, because 105504681 - 2² = 105504677 is a prime.

It is a super-2 number, since 2×105504681² = 22262475425823522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105504683) 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, 7146 + ... + 16188.

It is an arithmetic number, because the mean of its divisors is an integer number (17590580).

Almost surely, 2^105504681 is an apocalyptic number.

It is an amenable number.

105504681 is a deficient number, since it is larger than the sum of its proper divisors (35219959).

105504681 is an equidigital number, since it uses as much as digits as its factorization.

105504681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12935.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 105504681 is about 10271.5471570742. The cubic root of 105504681 is about 472.5240412168.

The spelling of 105504681 in words is "one hundred five million, five hundred four thousand, six hundred eighty-one".