128255246 has 64 divisors (see below), whose sum is σ = 239308800. Its totient is φ = 51438240.

The previous prime is 128255221. The next prime is 128255251. The reversal of 128255246 is 642552821.

Its product of digits (38400) is a multiple of the sum of its prime divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 786761 + ... + 786923.

It is an arithmetic number, because the mean of its divisors is an integer number (3739200).

Almost surely, 2^128255246 is an apocalyptic number.

128255246 is a deficient number, since it is larger than the sum of its proper divisors (111053554).

128255246 is a wasteful number, since it uses less digits than its factorization.

128255246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 240 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 128255246 is about 11324.9832670958. The cubic root of 128255246 is about 504.3031869195.

The spelling of 128255246 in words is "one hundred twenty-eight million, two hundred fifty-five thousand, two hundred forty-six".