120839078 has 4 divisors (see below), whose sum is σ = 181258620. Its totient is φ = 60419538.

The previous prime is 120839053. The next prime is 120839113. The reversal of 120839078 is 870938021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 870938021 = 1637 ⋅532033.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30209768 + ... + 30209771.

It is an arithmetic number, because the mean of its divisors is an integer number (45314655).

Almost surely, 2^120839078 is an apocalyptic number.

120839078 is a deficient number, since it is larger than the sum of its proper divisors (60419542).

120839078 is an equidigital number, since it uses as much as digits as its factorization.

120839078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60419541.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 120839078 is about 10992.6829300221. The cubic root of 120839078 is about 494.3893814072.

The spelling of 120839078 in words is "one hundred twenty million, eight hundred thirty-nine thousand, seventy-eight".