105979481 has 8 divisors (see below), whose sum is σ = 107225664. Its totient is φ = 104737680.

The previous prime is 105979459. The next prime is 105979493. The reversal of 105979481 is 184979501.

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 105979481 - 2⁶ = 105979417 is a prime.

It is a super-2 number, since 2×105979481² = 22463300786058722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105979441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81446 + ... + 82736.

It is an arithmetic number, because the mean of its divisors is an integer number (13403208).

Almost surely, 2^105979481 is an apocalyptic number.

It is an amenable number.

105979481 is a deficient number, since it is larger than the sum of its proper divisors (1246183).

105979481 is a wasteful number, since it uses less digits than its factorization.

105979481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 105979481 is about 10294.6336020278. The cubic root of 105979481 is about 473.2318098182.

The spelling of 105979481 in words is "one hundred five million, nine hundred seventy-nine thousand, four hundred eighty-one".