128957102 has 8 divisors (see below), whose sum is σ = 193487616. Its totient is φ = 64461232.

The previous prime is 128957093. The next prime is 128957107. The reversal of 128957102 is 201759821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128957107) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4883 + ... + 16785.

It is an arithmetic number, because the mean of its divisors is an integer number (24185952).

Almost surely, 2^128957102 is an apocalyptic number.

128957102 is a deficient number, since it is larger than the sum of its proper divisors (64530514).

128957102 is a wasteful number, since it uses less digits than its factorization.

128957102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17322.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 128957102 is about 11355.9280554255. The cubic root of 128957102 is about 505.2214197480.

The spelling of 128957102 in words is "one hundred twenty-eight million, nine hundred fifty-seven thousand, one hundred two".