120748478 has 4 divisors (see below), whose sum is σ = 181122720. Its totient is φ = 60374238.

The previous prime is 120748447. The next prime is 120748487. The reversal of 120748478 is 874847021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 874847021 = 23 ⋅38036827.

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, 30187118 + ... + 30187121.

It is an arithmetic number, because the mean of its divisors is an integer number (45280680).

Almost surely, 2^120748478 is an apocalyptic number.

120748478 is a deficient number, since it is larger than the sum of its proper divisors (60374242).

120748478 is an equidigital number, since it uses as much as digits as its factorization.

120748478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60374241.

The product of its (nonzero) digits is 100352, while the sum is 41.

The square root of 120748478 is about 10988.5612343018. The cubic root of 120748478 is about 494.2657931396.

The spelling of 120748478 in words is "one hundred twenty million, seven hundred forty-eight thousand, four hundred seventy-eight".