121207533 has 8 divisors (see below), whose sum is σ = 161660928. Its totient is φ = 80779584.

The previous prime is 121207519. The next prime is 121207543. The reversal of 121207533 is 335702121.

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

It is not a de Polignac number, because 121207533 - 2⁸ = 121207277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121207543) 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, 15141 + ... + 21717.

It is an arithmetic number, because the mean of its divisors is an integer number (20207616).

Almost surely, 2^121207533 is an apocalyptic number.

It is an amenable number.

121207533 is a deficient number, since it is larger than the sum of its proper divisors (40453395).

121207533 is an equidigital number, since it uses as much as digits as its factorization.

121207533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12723.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 121207533 is about 11009.4292767609. The cubic root of 121207533 is about 494.8913586694.

Adding to 121207533 its reverse (335702121), we get a palindrome (456909654).

The spelling of 121207533 in words is "one hundred twenty-one million, two hundred seven thousand, five hundred thirty-three".