105942506 has 8 divisors (see below), whose sum is σ = 159966624. Its totient is φ = 52620300.

The previous prime is 105942457. The next prime is 105942547. The reversal of 105942506 is 605249501.

It is a happy number.

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

It is a super-2 number, since 2×105942506² = 22447629155120072, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 175100 + ... + 175703.

It is an arithmetic number, because the mean of its divisors is an integer number (19995828).

Almost surely, 2^105942506 is an apocalyptic number.

105942506 is a deficient number, since it is larger than the sum of its proper divisors (54024118).

105942506 is a wasteful number, since it uses less digits than its factorization.

105942506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350956.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 105942506 is about 10292.8376068021. The cubic root of 105942506 is about 473.1767684042.

The spelling of 105942506 in words is "one hundred five million, nine hundred forty-two thousand, five hundred six".