121325535 has 24 divisors (see below), whose sum is σ = 213866640. Its totient is φ = 63608832.

The previous prime is 121325521. The next prime is 121325539. The reversal of 121325535 is 535523121.

It is a happy number.

121325535 is a `hidden beast` number, since 121 + 3 + 2 + 5 + 535 = 666.

It is not a de Polignac number, because 121325535 - 2¹¹ = 121323487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121325499 and 121325508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121325539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20194 + ... + 25503.

It is an arithmetic number, because the mean of its divisors is an integer number (8911110).

Almost surely, 2^121325535 is an apocalyptic number.

121325535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121325535 is a deficient number, since it is larger than the sum of its proper divisors (92541105).

121325535 is a wasteful number, since it uses less digits than its factorization.

121325535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45767 (or 45764 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 121325535 is about 11014.7871064311. The cubic root of 121325535 is about 495.0519076267.

Adding to 121325535 its reverse (535523121), we get a palindrome (656848656).

The spelling of 121325535 in words is "one hundred twenty-one million, three hundred twenty-five thousand, five hundred thirty-five".