128493102 has 16 divisors (see below), whose sum is σ = 260606592. Its totient is φ = 42227640.

The previous prime is 128493083. The next prime is 128493163. The reversal of 128493102 is 201394821.

It is a self number, because there is not a number n which added to its sum of digits gives 128493102.

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, 150388 + ... + 151239.

It is an arithmetic number, because the mean of its divisors is an integer number (16287912).

Almost surely, 2^128493102 is an apocalyptic number.

128493102 is an abundant number, since it is smaller than the sum of its proper divisors (132113490).

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

128493102 is a wasteful number, since it uses less digits than its factorization.

128493102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301703.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 128493102 is about 11335.4797869345. The cubic root of 128493102 is about 504.6147465288.

It can be divided in two parts, 12849 and 3102, that added together give a palindrome (15951).

The spelling of 128493102 in words is "one hundred twenty-eight million, four hundred ninety-three thousand, one hundred two".