121125303 has 24 divisors (see below), whose sum is σ = 190702512. Its totient is φ = 73634688.

The previous prime is 121125293. The next prime is 121125307. The reversal of 121125303 is 303521121.

121125303 is a `hidden beast` number, since 121 + 12 + 530 + 3 = 666.

It is not a de Polignac number, because 121125303 - 2⁶ = 121125239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121125307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3475 + ... + 15947.

It is an arithmetic number, because the mean of its divisors is an integer number (7945938).

Almost surely, 2^121125303 is an apocalyptic number.

121125303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121125303 is a deficient number, since it is larger than the sum of its proper divisors (69577209).

121125303 is a wasteful number, since it uses less digits than its factorization.

121125303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12575 (or 12572 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 121125303 is about 11005.6941171377. The cubic root of 121125303 is about 494.7794180948.

Adding to 121125303 its reverse (303521121), we get a palindrome (424646424).

The spelling of 121125303 in words is "one hundred twenty-one million, one hundred twenty-five thousand, three hundred three".