9051298121 has 2 divisors, whose sum is σ = 9051298122. Its totient is φ = 9051298120.

The previous prime is 9051298073. The next prime is 9051298159. The reversal of 9051298121 is 1218921509.

It is a happy number.

It is an a-pointer prime, because the next prime (9051298159) can be obtained adding 9051298121 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4899300025 + 4151998096 = 69995^2 + 64436^2 .

It is a cyclic number.

It is not a de Polignac number, because 9051298121 - 2¹⁴ = 9051281737 is a prime.

It is not a weakly prime, because it can be changed into another prime (9051298171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4525649060 + 4525649061.

It is an arithmetic number, because the mean of its divisors is an integer number (4525649061).

Almost surely, 2^9051298121 is an apocalyptic number.

It is an amenable number.

9051298121 is a deficient number, since it is larger than the sum of its proper divisors (1).

9051298121 is an equidigital number, since it uses as much as digits as its factorization.

9051298121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 38.

The square root of 9051298121 is about 95138.3104800585. The cubic root of 9051298121 is about 2084.0283526910.

The spelling of 9051298121 in words is "nine billion, fifty-one million, two hundred ninety-eight thousand, one hundred twenty-one".