121003104 has 48 divisors (see below), whose sum is σ = 318608640. Its totient is φ = 40210560.

The previous prime is 121003079. The next prime is 121003111. The reversal of 121003104 is 401300121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a self number, because there is not a number n which added to its sum of digits gives 121003104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32709 + ... + 36219.

It is an arithmetic number, because the mean of its divisors is an integer number (6637680).

Almost surely, 2^121003104 is an apocalyptic number.

It is an amenable number.

121003104 is an abundant number, since it is smaller than the sum of its proper divisors (197605536).

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

121003104 is a wasteful number, since it uses less digits than its factorization.

121003104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3883 (or 3875 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 121003104 is about 11000.1410900043. The cubic root of 121003104 is about 494.6129736704.

Adding to 121003104 its reverse (401300121), we get a palindrome (522303225).

The spelling of 121003104 in words is "one hundred twenty-one million, three thousand, one hundred four".