121370133 has 8 divisors (see below), whose sum is σ = 167407200. Its totient is φ = 78123248.

The previous prime is 121370129. The next prime is 121370141. The reversal of 121370133 is 331073121.

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

It is a cyclic number.

It is not a de Polignac number, because 121370133 - 2² = 121370129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121370113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697443 + ... + 697616.

It is an arithmetic number, because the mean of its divisors is an integer number (20925900).

Almost surely, 2^121370133 is an apocalyptic number.

It is an amenable number.

121370133 is a deficient number, since it is larger than the sum of its proper divisors (46037067).

121370133 is a wasteful number, since it uses less digits than its factorization.

121370133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395091.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 121370133 is about 11016.8113807944. The cubic root of 121370133 is about 495.1125588333.

The spelling of 121370133 in words is "one hundred twenty-one million, three hundred seventy thousand, one hundred thirty-three".