121004112 has 40 divisors (see below), whose sum is σ = 313372800. Its totient is φ = 40234240.

The previous prime is 121004089. The next prime is 121004119. The reversal of 121004112 is 211400121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121004119) by changing a digit.

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, 17764 + ... + 23612.

It is an arithmetic number, because the mean of its divisors is an integer number (7834320).

Almost surely, 2^121004112 is an apocalyptic number.

121004112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121004112 is an abundant number, since it is smaller than the sum of its proper divisors (192368688).

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

121004112 is a wasteful number, since it uses less digits than its factorization.

121004112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291 (or 6285 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 121004112 is about 11000.1869075030. The cubic root of 121004112 is about 494.6143471021.

Adding to 121004112 its reverse (211400121), we get a palindrome (332404233).

The spelling of 121004112 in words is "one hundred twenty-one million, four thousand, one hundred twelve".