128618602 has 16 divisors (see below), whose sum is σ = 225181440. Its totient is φ = 53949168.

The previous prime is 128618591. The next prime is 128618603. The reversal of 128618602 is 206816821.

It is not an unprimeable number, because it can be changed into a prime (128618603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97077 + ... + 98392.

It is an arithmetic number, because the mean of its divisors is an integer number (14073840).

Almost surely, 2^128618602 is an apocalyptic number.

128618602 is a deficient number, since it is larger than the sum of its proper divisors (96562838).

128618602 is a wasteful number, since it uses less digits than its factorization.

128618602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195525.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 128618602 is about 11341.0141521823. The cubic root of 128618602 is about 504.7789798427.

The spelling of 128618602 in words is "one hundred twenty-eight million, six hundred eighteen thousand, six hundred two".