128197148 has 6 divisors (see below), whose sum is σ = 224345016. Its totient is φ = 64098572.

The previous prime is 128197127. The next prime is 128197151. The reversal of 128197148 is 841791821.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16024640 + ... + 16024647.

It is an arithmetic number, because the mean of its divisors is an integer number (37390836).

Almost surely, 2^128197148 is an apocalyptic number.

It is an amenable number.

128197148 is a deficient number, since it is larger than the sum of its proper divisors (96147868).

128197148 is a wasteful number, since it uses less digits than its factorization.

128197148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32049291 (or 32049289 counting only the distinct ones).

The product of its digits is 32256, while the sum is 41.

The square root of 128197148 is about 11322.4179396452. The cubic root of 128197148 is about 504.2270277691.

The spelling of 128197148 in words is "one hundred twenty-eight million, one hundred ninety-seven thousand, one hundred forty-eight".