100506043 has 8 divisors (see below), whose sum is σ = 109756080. Its totient is φ = 91274880.

The previous prime is 100506037. The next prime is 100506071. The reversal of 100506043 is 340605001.

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 100506043 - 2¹³ = 100497851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100506043.

It is not an unprimeable number, because it can be changed into a prime (100506943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7903 + ... + 16231.

It is an arithmetic number, because the mean of its divisors is an integer number (13719510).

Almost surely, 2^100506043 is an apocalyptic number.

100506043 is a deficient number, since it is larger than the sum of its proper divisors (9250037).

100506043 is a wasteful number, since it uses less digits than its factorization.

100506043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9437.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 100506043 is about 10025.2702207970. The cubic root of 100506043 is about 464.9405142235.

The spelling of 100506043 in words is "one hundred million, five hundred six thousand, forty-three".