134222121 has 24 divisors (see below), whose sum is σ = 218799360. Its totient is φ = 78540000.

The previous prime is 134222119. The next prime is 134222147. The reversal of 134222121 is 121222431.

It is a happy number.

It is not a de Polignac number, because 134222121 - 2¹ = 134222119 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 134222094 and 134222103.

It is not an unprimeable number, because it can be changed into a prime (134222521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20505 + ... + 26246.

It is an arithmetic number, because the mean of its divisors is an integer number (9116640).

Almost surely, 2^134222121 is an apocalyptic number.

134222121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134222121 is a deficient number, since it is larger than the sum of its proper divisors (84577239).

134222121 is a wasteful number, since it uses less digits than its factorization.

134222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46797 (or 46794 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 134222121 is about 11585.4270961411. The cubic root of 134222121 is about 512.0055859274.

Adding to 134222121 its reverse (121222431), we get a palindrome (255444552).

The spelling of 134222121 in words is "one hundred thirty-four million, two hundred twenty-two thousand, one hundred twenty-one".