121123313 has 8 divisors (see below), whose sum is σ = 126899136. Its totient is φ = 115390000.

The previous prime is 121123297. The next prime is 121123333. The reversal of 121123313 is 313321121.

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 121123313 - 2⁴ = 121123297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121123291 and 121123300.

It is not an unprimeable number, because it can be changed into a prime (121123333) 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, 4718 + ... + 16263.

It is an arithmetic number, because the mean of its divisors is an integer number (15862392).

Almost surely, 2^121123313 is an apocalyptic number.

It is an amenable number.

121123313 is a deficient number, since it is larger than the sum of its proper divisors (5775823).

121123313 is a wasteful number, since it uses less digits than its factorization.

121123313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21255.

The product of its digits is 108, while the sum is 17.

The square root of 121123313 is about 11005.6037090202. The cubic root of 121123313 is about 494.7767084588.

Adding to 121123313 its reverse (313321121), we get a palindrome (434444434).

The spelling of 121123313 in words is "one hundred twenty-one million, one hundred twenty-three thousand, three hundred thirteen".