128625496 has 8 divisors (see below), whose sum is σ = 241172820. Its totient is φ = 64312744.

The previous prime is 128625491. The next prime is 128625503. The reversal of 128625496 is 694526821.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128625491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8039086 + ... + 8039101.

Almost surely, 2^128625496 is an apocalyptic number.

It is an amenable number.

128625496 is a deficient number, since it is larger than the sum of its proper divisors (112547324).

128625496 is a wasteful number, since it uses less digits than its factorization.

128625496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16078193 (or 16078189 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The square root of 128625496 is about 11341.3180891817. The cubic root of 128625496 is about 504.7879984555.

The spelling of 128625496 in words is "one hundred twenty-eight million, six hundred twenty-five thousand, four hundred ninety-six".