128886602 has 8 divisors (see below), whose sum is σ = 208201476. Its totient is φ = 59486112.

The previous prime is 128886587. The next prime is 128886617. The reversal of 128886602 is 206688821.

It is an interprime number because it is at equal distance from previous prime (128886587) and next prime (128886617).

It can be written as a sum of positive squares in 2 ways, for example, as 126810121 + 2076481 = 11261^2 + 1441^2 .

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

It is a super-2 number, since 2×128886602² = 33223512350212808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 128886602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2478563 + ... + 2478614.

Almost surely, 2^128886602 is an apocalyptic number.

128886602 is a deficient number, since it is larger than the sum of its proper divisors (79314874).

128886602 is a wasteful number, since it uses less digits than its factorization.

128886602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4957192.

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 128886602 is about 11352.8235254495. The cubic root of 128886602 is about 505.1293358890.

The spelling of 128886602 in words is "one hundred twenty-eight million, eight hundred eighty-six thousand, six hundred two".