5400121 has 2 divisors, whose sum is σ = 5400122. Its totient is φ = 5400120.

The previous prime is 5400097. The next prime is 5400127. The reversal of 5400121 is 1210045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4791721 + 608400 = 2189^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 5400121 - 2⁵ = 5400089 is a prime.

It is a super-2 number, since 2×5400121² = 58322613629282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5400127) 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 as a sum of consecutive naturals, namely, 2700060 + 2700061.

It is an arithmetic number, because the mean of its divisors is an integer number (2700061).

Almost surely, 2^5400121 is an apocalyptic number.

It is an amenable number.

5400121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5400121 is an equidigital number, since it uses as much as digits as its factorization.

5400121 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5400121 is about 2323.8160426333. The cubic root of 5400121 is about 175.4423746761.

Adding to 5400121 its reverse (1210045), we get a palindrome (6610166).

The spelling of 5400121 in words is "five million, four hundred thousand, one hundred twenty-one".