121123112 has 32 divisors (see below), whose sum is σ = 248447520. Its totient is φ = 54901440.

The previous prime is 121123109. The next prime is 121123127. The reversal of 121123112 is 211321121.

It is a super-3 number, since 3×121123112³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33203 + ... + 36669.

It is an arithmetic number, because the mean of its divisors is an integer number (7763985).

Almost surely, 2^121123112 is an apocalyptic number.

It is an amenable number.

121123112 is an abundant number, since it is smaller than the sum of its proper divisors (127324408).

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

121123112 is a wasteful number, since it uses less digits than its factorization.

121123112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881 (or 3877 counting only the distinct ones).

The product of its digits is 24, while the sum is 14.

The square root of 121123112 is about 11005.5945773048. The cubic root of 121123112 is about 494.7764347703.

Adding to 121123112 its reverse (211321121), we get a palindrome (332444233).

The spelling of 121123112 in words is "one hundred twenty-one million, one hundred twenty-three thousand, one hundred twelve".