121303123 has 8 divisors (see below), whose sum is σ = 122472896. Its totient is φ = 120139200.

The previous prime is 121303033. The next prime is 121303141. The reversal of 121303123 is 321303121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121303123 - 2¹³ = 121294931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121303097 and 121303106.

It is not an unprimeable number, because it can be changed into a prime (121303153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47815 + ... + 50287.

It is an arithmetic number, because the mean of its divisors is an integer number (15309112).

Almost surely, 2^121303123 is an apocalyptic number.

121303123 is a deficient number, since it is larger than the sum of its proper divisors (1169773).

121303123 is a wasteful number, since it uses less digits than its factorization.

121303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 121303123 is about 11013.7696997894. The cubic root of 121303123 is about 495.0214227371.

Adding to 121303123 its reverse (321303121), we get a palindrome (442606244).

The spelling of 121303123 in words is "one hundred twenty-one million, three hundred three thousand, one hundred twenty-three".