5047121 has 2 divisors, whose sum is σ = 5047122. Its totient is φ = 5047120.

The previous prime is 5047117. The next prime is 5047123. The reversal of 5047121 is 1217405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3385600 + 1661521 = 1840^2 + 1289^2 .

It is a cyclic number.

It is not a de Polignac number, because 5047121 - 2² = 5047117 is a prime.

Together with 5047123, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 5047093 and 5047102.

It is not a weakly prime, because it can be changed into another prime (5047123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2523560 + 2523561.

It is an arithmetic number, because the mean of its divisors is an integer number (2523561).

Almost surely, 2^5047121 is an apocalyptic number.

It is an amenable number.

5047121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5047121 is an equidigital number, since it uses as much as digits as its factorization.

5047121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 5047121 is about 2246.5798450089. The cubic root of 5047121 is about 171.5330878198.

The spelling of 5047121 in words is "five million, forty-seven thousand, one hundred twenty-one".