120143255 has 8 divisors (see below), whose sum is σ = 148068672. Its totient is φ = 93516768.

The previous prime is 120143249. The next prime is 120143273. The reversal of 120143255 is 552341021.

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 120143255 - 2⁴ = 120143239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120143255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324527 + ... + 324896.

It is an arithmetic number, because the mean of its divisors is an integer number (18508584).

Almost surely, 2^120143255 is an apocalyptic number.

120143255 is a deficient number, since it is larger than the sum of its proper divisors (27925417).

120143255 is an equidigital number, since it uses as much as digits as its factorization.

120143255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649465.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 120143255 is about 10960.9878660639. The cubic root of 120143255 is about 493.4386130417.

Adding to 120143255 its reverse (552341021), we get a palindrome (672484276).

The spelling of 120143255 in words is "one hundred twenty million, one hundred forty-three thousand, two hundred fifty-five".