104186242 has 4 divisors (see below), whose sum is σ = 156279366. Its totient is φ = 52093120.

The previous prime is 104186239. The next prime is 104186249. The reversal of 104186242 is 242681401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242681401 = 10771 ⋅22531.

It can be written as a sum of positive squares in only one way, i.e., 90041121 + 14145121 = 9489^2 + 3761^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 104186242.

It is not an unprimeable number, because it can be changed into a prime (104186249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26046559 + ... + 26046562.

Almost surely, 2^104186242 is an apocalyptic number.

104186242 is a deficient number, since it is larger than the sum of its proper divisors (52093124).

104186242 is an equidigital number, since it uses as much as digits as its factorization.

104186242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52093123.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 104186242 is about 10207.1662081108. The cubic root of 104186242 is about 470.5474863448.

The spelling of 104186242 in words is "one hundred four million, one hundred eighty-six thousand, two hundred forty-two".