2354020121 has 2 divisors, whose sum is σ = 2354020122. Its totient is φ = 2354020120.

The previous prime is 2354020111. The next prime is 2354020129. The reversal of 2354020121 is 1210204532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2177528896 + 176491225 = 46664^2 + 13285^2 .

It is a cyclic number.

It is not a de Polignac number, because 2354020121 - 2¹⁴ = 2354003737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2354020093 and 2354020102.

It is not a weakly prime, because it can be changed into another prime (2354020129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177010060 + 1177010061.

It is an arithmetic number, because the mean of its divisors is an integer number (1177010061).

Almost surely, 2^2354020121 is an apocalyptic number.

It is an amenable number.

2354020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2354020121 is an equidigital number, since it uses as much as digits as its factorization.

2354020121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2354020121 is about 48518.2452382606. The cubic root of 2354020121 is about 1330.2605856826.

Adding to 2354020121 its reverse (1210204532), we get a palindrome (3564224653).

The spelling of 2354020121 in words is "two billion, three hundred fifty-four million, twenty thousand, one hundred twenty-one".