4720121361 has 6 divisors (see below), whose sum is σ = 6817953090. Its totient is φ = 3146747568.

The previous prime is 4720121359. The next prime is 4720121369. The reversal of 4720121361 is 1631210274.

It can be written as a sum of positive squares in only one way, i.e., 4616387136 + 103734225 = 67944^2 + 10185^2 .

It is not a de Polignac number, because 4720121361 - 2¹ = 4720121359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4720121369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262228956 + ... + 262228973.

It is an arithmetic number, because the mean of its divisors is an integer number (1136325515).

Almost surely, 2^4720121361 is an apocalyptic number.

It is an amenable number.

4720121361 is a deficient number, since it is larger than the sum of its proper divisors (2097831729).

4720121361 is a wasteful number, since it uses less digits than its factorization.

4720121361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524457935 (or 524457932 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 4720121361 is about 68703.1393824183. The cubic root of 4720121361 is about 1677.4556820151.

The spelling of 4720121361 in words is "four billion, seven hundred twenty million, one hundred twenty-one thousand, three hundred sixty-one".