121303875 has 64 divisors (see below), whose sum is σ = 251716608. Its totient is φ = 50400000.

The previous prime is 121303873. The next prime is 121303901. The reversal of 121303875 is 578303121.

It is not a de Polignac number, because 121303875 - 2¹ = 121303873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121303873) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26775 + ... + 30975.

It is an arithmetic number, because the mean of its divisors is an integer number (3933072).

Almost surely, 2^121303875 is an apocalyptic number.

121303875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121303875 is an abundant number, since it is smaller than the sum of its proper divisors (130412733).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121303875 is a wasteful number, since it uses less digits than its factorization.

121303875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237 (or 4227 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 121303875 is about 11013.8038388197. The cubic root of 121303875 is about 495.0224456713.

Adding to 121303875 its reverse (578303121), we get a palindrome (699606996).

The spelling of 121303875 in words is "one hundred twenty-one million, three hundred three thousand, eight hundred seventy-five".