133301121 has 16 divisors (see below), whose sum is σ = 183585600. Its totient is φ = 85969728.

The previous prime is 133301117. The next prime is 133301143. The reversal of 133301121 is 121103331.

It is not a de Polignac number, because 133301121 - 2² = 133301117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133301121.

It is not an unprimeable number, because it can be changed into a prime (133301101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16515 + ... + 23223.

It is an arithmetic number, because the mean of its divisors is an integer number (11474100).

Almost surely, 2^133301121 is an apocalyptic number.

It is an amenable number.

133301121 is a deficient number, since it is larger than the sum of its proper divisors (50284479).

133301121 is a wasteful number, since it uses less digits than its factorization.

133301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6928.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 133301121 is about 11545.6104645878. The cubic root of 133301121 is about 510.8318105907.

Adding to 133301121 its reverse (121103331), we get a palindrome (254404452).

The spelling of 133301121 in words is "one hundred thirty-three million, three hundred one thousand, one hundred twenty-one".