5022121 has 16 divisors (see below), whose sum is σ = 5688144. Its totient is φ = 4402944.

The previous prime is 5022097. The next prime is 5022167. The reversal of 5022121 is 1212205.

It can be written as a sum of positive squares in 8 ways, for example, as 1022121 + 4000000 = 1011^2 + 2000^2 .

It is not a de Polignac number, because 5022121 - 2⁹ = 5021609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5022221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25395 + ... + 25591.

It is an arithmetic number, because the mean of its divisors is an integer number (355509).

Almost surely, 2^5022121 is an apocalyptic number.

It is an amenable number.

5022121 is a deficient number, since it is larger than the sum of its proper divisors (666023).

5022121 is a wasteful number, since it uses less digits than its factorization.

5022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 5022121 is about 2241.0089245695. The cubic root of 5022121 is about 171.2493995397.

Subtracting from 5022121 its product of nonzero digits (40), we obtain a square (5022081 = 2241²).

Adding to 5022121 its reverse (1212205), we get a palindrome (6234326).

The spelling of 5022121 in words is "five million, twenty-two thousand, one hundred twenty-one".