5121191 has 2 divisors, whose sum is σ = 5121192. Its totient is φ = 5121190.

The previous prime is 5121173. The next prime is 5121209. The reversal of 5121191 is 1911215.

It is a balanced prime because it is at equal distance from previous prime (5121173) and next prime (5121209).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5121191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5121161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560595 + 2560596.

It is an arithmetic number, because the mean of its divisors is an integer number (2560596).

Almost surely, 2^5121191 is an apocalyptic number.

5121191 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121191 is an equidigital number, since it uses as much as digits as its factorization.

5121191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90, while the sum is 20.

The square root of 5121191 is about 2263.0048607990. The cubic root of 5121191 is about 172.3681383941.

The spelling of 5121191 in words is "five million, one hundred twenty-one thousand, one hundred ninety-one".