128117336 has 32 divisors (see below), whose sum is σ = 244555200. Its totient is φ = 62910720.

The previous prime is 128117317. The next prime is 128117351. The reversal of 128117336 is 633711821.

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, 251450 + ... + 251958.

It is an arithmetic number, because the mean of its divisors is an integer number (7642350).

Almost surely, 2^128117336 is an apocalyptic number.

It is an amenable number.

128117336 is a deficient number, since it is larger than the sum of its proper divisors (116437864).

128117336 is a wasteful number, since it uses less digits than its factorization.

128117336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 1015 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 128117336 is about 11318.8928787227. The cubic root of 128117336 is about 504.1223667775.

The spelling of 128117336 in words is "one hundred twenty-eight million, one hundred seventeen thousand, three hundred thirty-six".