121030104 has 32 divisors (see below), whose sum is σ = 325851120. Its totient is φ = 37239936.

The previous prime is 121030099. The next prime is 121030141. The reversal of 121030104 is 401030121.

It is a happy number.

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 121030104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193647 + ... + 194270.

Almost surely, 2^121030104 is an apocalyptic number.

It is an amenable number.

121030104 is an abundant number, since it is smaller than the sum of its proper divisors (204821016).

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

121030104 is a wasteful number, since it uses less digits than its factorization.

121030104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387939 (or 387935 counting only the distinct ones).

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

The square root of 121030104 is about 11001.3682785370. The cubic root of 121030104 is about 494.6497593854.

Adding to 121030104 its reverse (401030121), we get a palindrome (522060225).

The spelling of 121030104 in words is "one hundred twenty-one million, thirty thousand, one hundred four".