104142078 has 32 divisors (see below), whose sum is σ = 243609600. Its totient is φ = 32886648.

The previous prime is 104142061. The next prime is 104142079. The reversal of 104142078 is 870241401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104142079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49726 + ... + 51777.

It is an arithmetic number, because the mean of its divisors is an integer number (7612800).

Almost surely, 2^104142078 is an apocalyptic number.

104142078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

104142078 is an abundant number, since it is smaller than the sum of its proper divisors (139467522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104142078 is a wasteful number, since it uses less digits than its factorization.

104142078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101533 (or 101527 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 104142078 is about 10205.0025967660. The cubic root of 104142078 is about 470.4809894131.

Adding to 104142078 its reverse (870241401), we get a palindrome (974383479).

The spelling of 104142078 in words is "one hundred four million, one hundred forty-two thousand, seventy-eight".