5121229 has 4 divisors (see below), whose sum is σ = 5126976. Its totient is φ = 5115484.

The previous prime is 5121227. The next prime is 5121247. The reversal of 5121229 is 9221215.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9221215 = 5 ⋅1844243.

It is a cyclic number.

It is not a de Polignac number, because 5121229 - 2¹ = 5121227 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5121223) by changing a digit.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219 + ... + 3424.

It is an arithmetic number, because the mean of its divisors is an integer number (1281744).

Almost surely, 2^5121229 is an apocalyptic number.

It is an amenable number.

5121229 is a deficient number, since it is larger than the sum of its proper divisors (5747).

5121229 is a wasteful number, since it uses less digits than its factorization.

5121229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746.

The product of its digits is 360, while the sum is 22.

The square root of 5121229 is about 2263.0132567000. The cubic root of 5121229 is about 172.3685647255.

The spelling of 5121229 in words is "five million, one hundred twenty-one thousand, two hundred twenty-nine".