100486123 has 4 divisors (see below), whose sum is σ = 101126320. Its totient is φ = 99845928.

The previous prime is 100486109. The next prime is 100486129. The reversal of 100486123 is 321684001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100486123 - 2⁹ = 100485611 is a prime.

It is a super-2 number, since 2×100486123² = 20194921831142258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100486129) 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 3 ways as a sum of consecutive naturals, for example, 319863 + ... + 320176.

It is an arithmetic number, because the mean of its divisors is an integer number (25281580).

Almost surely, 2^100486123 is an apocalyptic number.

100486123 is a deficient number, since it is larger than the sum of its proper divisors (640197).

100486123 is an equidigital number, since it uses as much as digits as its factorization.

100486123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640196.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 100486123 is about 10024.2766821352. The cubic root of 100486123 is about 464.9097955831.

The spelling of 100486123 in words is "one hundred million, four hundred eighty-six thousand, one hundred twenty-three".