120610778 has 4 divisors (see below), whose sum is σ = 180916170. Its totient is φ = 60305388.

The previous prime is 120610769. The next prime is 120610799. The reversal of 120610778 is 877016021.

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

It can be written as a sum of positive squares in only one way, i.e., 77668969 + 42941809 = 8813^2 + 6553^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30152693 + ... + 30152696.

Almost surely, 2^120610778 is an apocalyptic number.

120610778 is a deficient number, since it is larger than the sum of its proper divisors (60305392).

120610778 is an equidigital number, since it uses as much as digits as its factorization.

120610778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60305391.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 120610778 is about 10982.2938405417. The cubic root of 120610778 is about 494.0778369048.

Adding to 120610778 its reverse (877016021), we get a palindrome (997626799).

The spelling of 120610778 in words is "one hundred twenty million, six hundred ten thousand, seven hundred seventy-eight".