5605570121 has 4 divisors (see below), whose sum is σ = 5615818512. Its totient is φ = 5595321732.

The previous prime is 5605570099. The next prime is 5605570127. The reversal of 5605570121 is 1210755065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5605570121 - 2¹⁰ = 5605569097 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 (5605570127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5123375 + ... + 5124468.

It is an arithmetic number, because the mean of its divisors is an integer number (1403954628).

Almost surely, 2^5605570121 is an apocalyptic number.

It is an amenable number.

5605570121 is a deficient number, since it is larger than the sum of its proper divisors (10248391).

5605570121 is a wasteful number, since it uses less digits than its factorization.

5605570121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10248390.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 5605570121 is about 74870.3554218891. The cubic root of 5605570121 is about 1776.3965860864.

The spelling of 5605570121 in words is "five billion, six hundred five million, five hundred seventy thousand, one hundred twenty-one".