601280135 has 4 divisors (see below), whose sum is σ = 721536168. Its totient is φ = 481024104.

The previous prime is 601280117. The next prime is 601280149. The reversal of 601280135 is 531082106.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531082106 = 2 ⋅265541053.

It is a cyclic number.

It is not a de Polignac number, because 601280135 - 2²⁰ = 600231559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60128009 + ... + 60128018.

It is an arithmetic number, because the mean of its divisors is an integer number (180384042).

Almost surely, 2^601280135 is an apocalyptic number.

601280135 is a deficient number, since it is larger than the sum of its proper divisors (120256033).

601280135 is a wasteful number, since it uses less digits than its factorization.

601280135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120256032.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 601280135 is about 24521.0141511317. The cubic root of 601280135 is about 844.0320768077.

The spelling of 601280135 in words is "six hundred one million, two hundred eighty thousand, one hundred thirty-five".