105874021 has 8 divisors (see below), whose sum is σ = 119225088. Its totient is φ = 93144000.

The previous prime is 105873967. The next prime is 105874031. The reversal of 105874021 is 120478501.

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 105874021 - 2¹⁹ = 105349733 is a prime.

It is a super-2 number, since 2×105874021² = 22418616645416882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105874031) 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, 154900 + ... + 155581.

It is an arithmetic number, because the mean of its divisors is an integer number (14903136).

Almost surely, 2^105874021 is an apocalyptic number.

105874021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105874021 is a deficient number, since it is larger than the sum of its proper divisors (13351067).

105874021 is a wasteful number, since it uses less digits than its factorization.

105874021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310523.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 105874021 is about 10289.5102410173. The cubic root of 105874021 is about 473.0747870012.

The spelling of 105874021 in words is "one hundred five million, eight hundred seventy-four thousand, twenty-one".