128957148 has 36 divisors (see below), whose sum is σ = 336493248. Its totient is φ = 41598720.

The previous prime is 128957119. The next prime is 128957167. The reversal of 128957148 is 841759821.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56661 + ... + 58892.

Almost surely, 2^128957148 is an apocalyptic number.

128957148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

128957148 is an abundant number, since it is smaller than the sum of its proper divisors (207536100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128957148 is a wasteful number, since it uses less digits than its factorization.

128957148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115594 (or 115589 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 128957148 is about 11355.9300807992. The cubic root of 128957148 is about 505.2214798201.

The spelling of 128957148 in words is "one hundred twenty-eight million, nine hundred fifty-seven thousand, one hundred forty-eight".