571616121 has 8 divisors (see below), whose sum is σ = 802268320. Its totient is φ = 361020672.

The previous prime is 571616107. The next prime is 571616153. The reversal of 571616121 is 121616175.

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

It is not a de Polignac number, because 571616121 - 2¹⁰ = 571615097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (571616821) 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, 5014120 + ... + 5014233.

It is an arithmetic number, because the mean of its divisors is an integer number (100283540).

Almost surely, 2^571616121 is an apocalyptic number.

It is an amenable number.

571616121 is a deficient number, since it is larger than the sum of its proper divisors (230652199).

571616121 is a wasteful number, since it uses less digits than its factorization.

571616121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10028375.

The product of its digits is 2520, while the sum is 30.

The square root of 571616121 is about 23908.4947455920. The cubic root of 571616121 is about 829.9173097086.

The spelling of 571616121 in words is "five hundred seventy-one million, six hundred sixteen thousand, one hundred twenty-one".