4878142 has 4 divisors (see below), whose sum is σ = 7317216. Its totient is φ = 2439070.

The previous prime is 4878121. The next prime is 4878149. The reversal of 4878142 is 2418784.

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

It is a junction number, because it is equal to n+sod(n) for n = 4878098 and 4878107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4878149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1219534 + ... + 1219537.

It is an arithmetic number, because the mean of its divisors is an integer number (1829304).

Almost surely, 2^4878142 is an apocalyptic number.

4878142 is a deficient number, since it is larger than the sum of its proper divisors (2439074).

4878142 is a wasteful number, since it uses less digits than its factorization.

4878142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2439073.

The product of its digits is 14336, while the sum is 34.

The square root of 4878142 is about 2208.6516248607. The cubic root of 4878142 is about 169.5969923149.

The spelling of 4878142 in words is "four million, eight hundred seventy-eight thousand, one hundred forty-two".