4904505121 has 2 divisors, whose sum is σ = 4904505122. Its totient is φ = 4904505120.

The previous prime is 4904505113. The next prime is 4904505139. The reversal of 4904505121 is 1215054094.

4904505121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4881118225 + 23386896 = 69865^2 + 4836^2 .

It is a cyclic number.

It is not a de Polignac number, because 4904505121 - 2³ = 4904505113 is a prime.

It is not a weakly prime, because it can be changed into another prime (4904505101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2452252560 + 2452252561.

It is an arithmetic number, because the mean of its divisors is an integer number (2452252561).

Almost surely, 2^4904505121 is an apocalyptic number.

It is an amenable number.

4904505121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4904505121 is an equidigital number, since it uses as much as digits as its factorization.

4904505121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 4904505121 is about 70032.1720425691. The cubic root of 4904505121 is about 1699.0196332452.

The spelling of 4904505121 in words is "four billion, nine hundred four million, five hundred five thousand, one hundred twenty-one".