5720121181 has 8 divisors (see below), whose sum is σ = 5810303520. Its totient is φ = 5630080368.

The previous prime is 5720121161. The next prime is 5720121193. The reversal of 5720121181 is 1811210275.

5720121181 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 5720121181 - 2¹⁹ = 5719596893 is a prime.

It is a super-2 number, since 2×5720121181² = 65439572650649669522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5720121151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47610 + ... + 117076.

It is an arithmetic number, because the mean of its divisors is an integer number (726287940).

Almost surely, 2^5720121181 is an apocalyptic number.

It is an amenable number.

5720121181 is a deficient number, since it is larger than the sum of its proper divisors (90182339).

5720121181 is a wasteful number, since it uses less digits than its factorization.

5720121181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70763.

The product of its (nonzero) digits is 1120, while the sum is 28.

The square root of 5720121181 is about 75631.4827370190. The cubic root of 5720121181 is about 1788.4154366554.

The spelling of 5720121181 in words is "five billion, seven hundred twenty million, one hundred twenty-one thousand, one hundred eighty-one".