100985043 has 8 divisors (see below), whose sum is σ = 134816400. Its totient is φ = 67238528.

The previous prime is 100985041. The next prime is 100985077. The reversal of 100985043 is 340589001.

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 100985043 - 2¹ = 100985041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100985043.

It is not an unprimeable number, because it can be changed into a prime (100985041) 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, 18378 + ... + 23231.

It is an arithmetic number, because the mean of its divisors is an integer number (16852050).

Almost surely, 2^100985043 is an apocalyptic number.

100985043 is a deficient number, since it is larger than the sum of its proper divisors (33831357).

100985043 is an equidigital number, since it uses as much as digits as its factorization.

100985043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42421.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 100985043 is about 10049.1314550064. The cubic root of 100985043 is about 465.6779612326.

The spelling of 100985043 in words is "one hundred million, nine hundred eighty-five thousand, forty-three".