5423121 has 12 divisors (see below), whose sum is σ = 8545680. Its totient is φ = 3286680.

The previous prime is 5423071. The next prime is 5423123. The reversal of 5423121 is 1213245.

5423121 is a `hidden beast` number, since 542 + 3 + 121 = 666.

It is not a de Polignac number, because 5423121 - 2⁶ = 5423057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5423094 and 5423103.

It is not an unprimeable number, because it can be changed into a prime (5423123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27291 + ... + 27488.

It is an arithmetic number, because the mean of its divisors is an integer number (712140).

Almost surely, 2^5423121 is an apocalyptic number.

It is an amenable number.

5423121 is a deficient number, since it is larger than the sum of its proper divisors (3122559).

5423121 is a wasteful number, since it uses less digits than its factorization.

5423121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54796 (or 54793 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 5423121 is about 2328.7595410433. The cubic root of 5423121 is about 175.6911011591.

Adding to 5423121 its reverse (1213245), we get a palindrome (6636366).

It can be divided in two parts, 542 and 3121, that added together give a palindrome (3663).

The spelling of 5423121 in words is "five million, four hundred twenty-three thousand, one hundred twenty-one".