121103125 has 48 divisors (see below), whose sum is σ = 178488576. Its totient is φ = 81000000.

The previous prime is 121103123. The next prime is 121103153. The reversal of 121103125 is 521301121.

It is not a de Polignac number, because 121103125 - 2¹ = 121103123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121103099 and 121103108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 446740 + ... + 447010.

It is an arithmetic number, because the mean of its divisors is an integer number (3718512).

Almost surely, 2^121103125 is an apocalyptic number.

It is an amenable number.

121103125 is a deficient number, since it is larger than the sum of its proper divisors (57385451).

121103125 is an equidigital number, since it uses as much as digits as its factorization.

121103125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 121103125 is about 11004.6865016683. The cubic root of 121103125 is about 494.7492182729.

Adding to 121103125 its reverse (521301121), we get a palindrome (642404246).

The spelling of 121103125 in words is "one hundred twenty-one million, one hundred three thousand, one hundred twenty-five".