121025104 has 20 divisors (see below), whose sum is σ = 234666900. Its totient is φ = 60465920.

The previous prime is 121025083. The next prime is 121025111. The reversal of 121025104 is 401520121.

It can be written as a sum of positive squares in 2 ways, for example, as 87385104 + 33640000 = 9348^2 + 5800^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

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 3 ways as a sum of consecutive naturals, for example, 29244 + ... + 33124.

It is an arithmetic number, because the mean of its divisors is an integer number (11733345).

Almost surely, 2^121025104 is an apocalyptic number.

It is an amenable number.

121025104 is a deficient number, since it is larger than the sum of its proper divisors (113641796).

121025104 is a wasteful number, since it uses less digits than its factorization.

121025104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838 (or 5832 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 121025104 is about 11001.1410317294. The cubic root of 121025104 is about 494.6429476288.

Adding to 121025104 its reverse (401520121), we get a palindrome (522545225).

The spelling of 121025104 in words is "one hundred twenty-one million, twenty-five thousand, one hundred four".