424131121 has 2 divisors, whose sum is σ = 424131122. Its totient is φ = 424131120.

The previous prime is 424131089. The next prime is 424131133. The reversal of 424131121 is 121131424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229946896 + 194184225 = 15164^2 + 13935^2 .

It is a cyclic number.

It is not a de Polignac number, because 424131121 - 2⁵ = 424131089 is a prime.

It is not a weakly prime, because it can be changed into another prime (424131151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212065560 + 212065561.

It is an arithmetic number, because the mean of its divisors is an integer number (212065561).

Almost surely, 2^424131121 is an apocalyptic number.

It is an amenable number.

424131121 is a deficient number, since it is larger than the sum of its proper divisors (1).

424131121 is an equidigital number, since it uses as much as digits as its factorization.

424131121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

The square root of 424131121 is about 20594.4439351977. The cubic root of 424131121 is about 751.3345843634.

Adding to 424131121 its reverse (121131424), we get a palindrome (545262545).

It can be divided in two parts, 42413 and 1121, that added together give a palindrome (43534).

The spelling of 424131121 in words is "four hundred twenty-four million, one hundred thirty-one thousand, one hundred twenty-one".