5242121 has 4 divisors (see below), whose sum is σ = 5256192. Its totient is φ = 5228052.

The previous prime is 5242117. The next prime is 5242141. The reversal of 5242121 is 1212425.

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.

It is a cyclic number.

It is not a de Polignac number, because 5242121 - 2² = 5242117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5242121.

It is not an unprimeable number, because it can be changed into a prime (5242141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6461 + ... + 7226.

It is an arithmetic number, because the mean of its divisors is an integer number (1314048).

Almost surely, 2^5242121 is an apocalyptic number.

It is an amenable number.

5242121 is a deficient number, since it is larger than the sum of its proper divisors (14071).

5242121 is a wasteful number, since it uses less digits than its factorization.

5242121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14070.

The product of its digits is 160, while the sum is 17.

The square root of 5242121 is about 2289.5678631567. The cubic root of 5242121 is about 173.7143439074.

Adding to 5242121 its reverse (1212425), we get a palindrome (6454546).

The spelling of 5242121 in words is "five million, two hundred forty-two thousand, one hundred twenty-one".