121225535 has 8 divisors (see below), whose sum is σ = 145534320. Its totient is φ = 96937984.

The previous prime is 121225523. The next prime is 121225547. The reversal of 121225535 is 535522121.

It is an interprime number because it is at equal distance from previous prime (121225523) and next prime (121225547).

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-121225535 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13004 + ... + 20286.

It is an arithmetic number, because the mean of its divisors is an integer number (18191790).

Almost surely, 2^121225535 is an apocalyptic number.

121225535 is a deficient number, since it is larger than the sum of its proper divisors (24308785).

121225535 is an equidigital number, since it uses as much as digits as its factorization.

121225535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10617.

The product of its digits is 3000, while the sum is 26.

The square root of 121225535 is about 11010.2468183052. The cubic root of 121225535 is about 494.9158582281.

Adding to 121225535 its reverse (535522121), we get a palindrome (656747656).

The spelling of 121225535 in words is "one hundred twenty-one million, two hundred twenty-five thousand, five hundred thirty-five".