104130242 has 16 divisors (see below), whose sum is σ = 165526200. Its totient is φ = 49042560.

The previous prime is 104130217. The next prime is 104130281. The reversal of 104130242 is 242031401.

It can be written as a sum of positive squares in 4 ways, for example, as 82609921 + 21520321 = 9089^2 + 4639^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 104130242.

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 7 ways as a sum of consecutive naturals, for example, 19517 + ... + 24272.

Almost surely, 2^104130242 is an apocalyptic number.

104130242 is a deficient number, since it is larger than the sum of its proper divisors (61395958).

104130242 is a wasteful number, since it uses less digits than its factorization.

104130242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43861.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 104130242 is about 10204.4226686276. The cubic root of 104130242 is about 470.4631649689.

Adding to 104130242 its reverse (242031401), we get a palindrome (346161643).

The spelling of 104130242 in words is "one hundred four million, one hundred thirty thousand, two hundred forty-two".