120778433425 has 24 divisors (see below), whose sum is σ = 162353844800. Its totient is φ = 88599528000.

The previous prime is 120778433417. The next prime is 120778433453. The reversal of 120778433425 is 524334877021.

It is not a de Polignac number, because 120778433425 - 2³ = 120778433417 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1181475 + ... + 1279624.

Almost surely, 2^120778433425 is an apocalyptic number.

It is an amenable number.

120778433425 is a deficient number, since it is larger than the sum of its proper divisors (41575411375).

120778433425 is a wasteful number, since it uses less digits than its factorization.

120778433425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461273 (or 2461268 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 120778433425 in words is "one hundred twenty billion, seven hundred seventy-eight million, four hundred thirty-three thousand, four hundred twenty-five".