120798645 has 64 divisors (see below), whose sum is σ = 222566400. Its totient is φ = 55376640.

The previous prime is 120798589. The next prime is 120798649. The reversal of 120798645 is 546897021.

It is not a de Polignac number, because 120798645 - 2⁶ = 120798581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120798597 and 120798606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120798649) by changing a digit.

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 in 63 ways as a sum of consecutive naturals, for example, 527391 + ... + 527619.

It is an arithmetic number, because the mean of its divisors is an integer number (3477600).

Almost surely, 2^120798645 is an apocalyptic number.

120798645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120798645 is a deficient number, since it is larger than the sum of its proper divisors (101767755).

120798645 is a wasteful number, since it uses less digits than its factorization.

120798645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 120798645 is about 10990.8436891806. The cubic root of 120798645 is about 494.3342340268.

The spelling of 120798645 in words is "one hundred twenty million, seven hundred ninety-eight thousand, six hundred forty-five".