120078438 has 16 divisors (see below), whose sum is σ = 247904256. Its totient is φ = 38734920.

The previous prime is 120078437. The next prime is 120078449. The reversal of 120078438 is 834870021.

It is a junction number, because it is equal to n+sod(n) for n = 120078399 and 120078408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120078437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322606 + ... + 322977.

It is an arithmetic number, because the mean of its divisors is an integer number (15494016).

Almost surely, 2^120078438 is an apocalyptic number.

120078438 is an abundant number, since it is smaller than the sum of its proper divisors (127825818).

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

120078438 is a wasteful number, since it uses less digits than its factorization.

120078438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645619.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 120078438 is about 10958.0307537440. The cubic root of 120078438 is about 493.3498607603.

The spelling of 120078438 in words is "one hundred twenty million, seventy-eight thousand, four hundred thirty-eight".