120564198 has 24 divisors (see below), whose sum is σ = 261708408. Its totient is φ = 40113312.

The previous prime is 120564193. The next prime is 120564203. The reversal of 120564198 is 891465021.

120564198 is a `hidden beast` number, since 1 + 2 + 0 + 5 + 641 + 9 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (120564193) and next prime (120564203).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120564193) 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 11 ways as a sum of consecutive naturals, for example, 4186 + ... + 16082.

It is an arithmetic number, because the mean of its divisors is an integer number (10904517).

Almost surely, 2^120564198 is an apocalyptic number.

120564198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

120564198 is an abundant number, since it is smaller than the sum of its proper divisors (141144210).

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

120564198 is a wasteful number, since it uses less digits than its factorization.

120564198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12468 (or 12465 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 120564198 is about 10980.1729494576. The cubic root of 120564198 is about 494.0142242677.

The spelling of 120564198 in words is "one hundred twenty million, five hundred sixty-four thousand, one hundred ninety-eight".