121125533 has 8 divisors (see below), whose sum is σ = 123860352. Its totient is φ = 118397376.

The previous prime is 121125479. The next prime is 121125553. The reversal of 121125533 is 335521121.

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 not a de Polignac number, because 121125533 - 2¹⁶ = 121059997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121125499 and 121125508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121125553) 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, 59966 + ... + 61952.

It is an arithmetic number, because the mean of its divisors is an integer number (15482544).

Almost surely, 2^121125533 is an apocalyptic number.

It is an amenable number.

121125533 is a deficient number, since it is larger than the sum of its proper divisors (2734819).

121125533 is a wasteful number, since it uses less digits than its factorization.

121125533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3331.

The product of its digits is 900, while the sum is 23.

The square root of 121125533 is about 11005.7045662693. The cubic root of 121125533 is about 494.7797312669.

Adding to 121125533 its reverse (335521121), we get a palindrome (456646654).

The spelling of 121125533 in words is "one hundred twenty-one million, one hundred twenty-five thousand, five hundred thirty-three".