133471121 has 8 divisors (see below), whose sum is σ = 152980800. Its totient is φ = 114072048.

The previous prime is 133471081. The next prime is 133471123. The reversal of 133471121 is 121174331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133471121 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133471123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25046 + ... + 29903.

It is an arithmetic number, because the mean of its divisors is an integer number (19122600).

Almost surely, 2^133471121 is an apocalyptic number.

It is an amenable number.

133471121 is a deficient number, since it is larger than the sum of its proper divisors (19509679).

133471121 is an equidigital number, since it uses as much as digits as its factorization.

133471121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55303.

The product of its digits is 504, while the sum is 23.

The square root of 133471121 is about 11552.9702241458. The cubic root of 133471121 is about 511.0488743252.

The spelling of 133471121 in words is "one hundred thirty-three million, four hundred seventy-one thousand, one hundred twenty-one".