120128602 has 32 divisors (see below), whose sum is σ = 210470400. Its totient is φ = 50842800.

The previous prime is 120128599. The next prime is 120128633. The reversal of 120128602 is 206821021.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22227 + ... + 27097.

It is an arithmetic number, because the mean of its divisors is an integer number (6577200).

Almost surely, 2^120128602 is an apocalyptic number.

120128602 is a deficient number, since it is larger than the sum of its proper divisors (90341798).

120128602 is a wasteful number, since it uses less digits than its factorization.

120128602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 120128602 is about 10960.3194296517. The cubic root of 120128602 is about 493.4185518518.

Adding to 120128602 its reverse (206821021), we get a palindrome (326949623).

The spelling of 120128602 in words is "one hundred twenty million, one hundred twenty-eight thousand, six hundred two".