104213042 has 4 divisors (see below), whose sum is σ = 156319566. Its totient is φ = 52106520.

The previous prime is 104213027. The next prime is 104213051. The reversal of 104213042 is 240312401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 240312401 = 7 ⋅34330343.

It can be written as a sum of positive squares in only one way, i.e., 102799321 + 1413721 = 10139^2 + 1189^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 104213042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26053259 + ... + 26053262.

Almost surely, 2^104213042 is an apocalyptic number.

104213042 is a deficient number, since it is larger than the sum of its proper divisors (52106524).

104213042 is an equidigital number, since it uses as much as digits as its factorization.

104213042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52106523.

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

The square root of 104213042 is about 10208.4789268529. The cubic root of 104213042 is about 470.5878294561.

Adding to 104213042 its reverse (240312401), we get a palindrome (344525443).

The spelling of 104213042 in words is "one hundred four million, two hundred thirteen thousand, forty-two".