120199553 has 8 divisors (see below), whose sum is σ = 121616640. Its totient is φ = 118790560.

The previous prime is 120199549. The next prime is 120199559. The reversal of 120199553 is 355991021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120199553 - 2² = 120199549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120199559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30908 + ... + 34578.

It is an arithmetic number, because the mean of its divisors is an integer number (15202080).

Almost surely, 2^120199553 is an apocalyptic number.

It is an amenable number.

120199553 is a deficient number, since it is larger than the sum of its proper divisors (1417087).

120199553 is a wasteful number, since it uses less digits than its factorization.

120199553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4047.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 120199553 is about 10963.5556732294. Note that the first 3 decimals coincide. The cubic root of 120199553 is about 493.5156745715.

The spelling of 120199553 in words is "one hundred twenty million, one hundred ninety-nine thousand, five hundred fifty-three".