121025504 has 24 divisors (see below), whose sum is σ = 239332968. Its totient is φ = 60242560.

The previous prime is 121025503. The next prime is 121025507. The reversal of 121025504 is 405520121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121025501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1067 + ... + 15594.

It is an arithmetic number, because the mean of its divisors is an integer number (9972207).

Almost surely, 2^121025504 is an apocalyptic number.

It is an amenable number.

121025504 is a deficient number, since it is larger than the sum of its proper divisors (118307464).

121025504 is a wasteful number, since it uses less digits than its factorization.

121025504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16898 (or 16890 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 121025504 is about 11001.1592116467. The cubic root of 121025504 is about 494.6434925762.

Adding to 121025504 its reverse (405520121), we get a palindrome (526545625).

The spelling of 121025504 in words is "one hundred twenty-one million, twenty-five thousand, five hundred four".