4300020121 has 4 divisors (see below), whose sum is σ = 4322300212. Its totient is φ = 4277740032.

The previous prime is 4300020119. The next prime is 4300020133. The reversal of 4300020121 is 1210200034.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1965680896 + 2334339225 = 44336^2 + 48315^2 .

It is a cyclic number.

It is not a de Polignac number, because 4300020121 - 2¹ = 4300020119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4300020521) 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, 11139756 + ... + 11140141.

It is an arithmetic number, because the mean of its divisors is an integer number (1080575053).

Almost surely, 2^4300020121 is an apocalyptic number.

It is an amenable number.

4300020121 is a deficient number, since it is larger than the sum of its proper divisors (22280091).

4300020121 is a wasteful number, since it uses less digits than its factorization.

4300020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22280090.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 4300020121 is about 65574.5386640272. The cubic root of 4300020121 is about 1626.1358680650.

Adding to 4300020121 its reverse (1210200034), we get a palindrome (5510220155).

The spelling of 4300020121 in words is "four billion, three hundred million, twenty thousand, one hundred twenty-one".