134224121 has 2 divisors, whose sum is σ = 134224122. Its totient is φ = 134224120.

The previous prime is 134224109. The next prime is 134224157. The reversal of 134224121 is 121422431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109830400 + 24393721 = 10480^2 + 4939^2 .

It is a cyclic number.

It is not a de Polignac number, because 134224121 - 2²² = 130029817 is a prime.

It is a super-2 number, since 2×134224121² = 36032229316445282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 134224093 and 134224102.

It is not a weakly prime, because it can be changed into another prime (134224171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67112060 + 67112061.

It is an arithmetic number, because the mean of its divisors is an integer number (67112061).

Almost surely, 2^134224121 is an apocalyptic number.

It is an amenable number.

134224121 is a deficient number, since it is larger than the sum of its proper divisors (1).

134224121 is an equidigital number, since it uses as much as digits as its factorization.

134224121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 20.

The square root of 134224121 is about 11585.5134111527. The cubic root of 134224121 is about 512.0081289908.

Adding to 134224121 its reverse (121422431), we get a palindrome (255646552).

The spelling of 134224121 in words is "one hundred thirty-four million, two hundred twenty-four thousand, one hundred twenty-one".