121420325 has 24 divisors (see below), whose sum is σ = 162677088. Its totient is φ = 89369280.

The previous prime is 121420291. The next prime is 121420331. The reversal of 121420325 is 523024121.

It is a de Polignac number, because none of the positive numbers 2^k-121420325 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121420297 and 121420306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177434 + ... + 178116.

It is an arithmetic number, because the mean of its divisors is an integer number (6778212).

Almost surely, 2^121420325 is an apocalyptic number.

It is an amenable number.

121420325 is a deficient number, since it is larger than the sum of its proper divisors (41256763).

121420325 is a wasteful number, since it uses less digits than its factorization.

121420325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 121420325 is about 11019.0891184344. The cubic root of 121420325 is about 495.1807998524.

Adding to 121420325 its reverse (523024121), we get a palindrome (644444446).

The spelling of 121420325 in words is "one hundred twenty-one million, four hundred twenty thousand, three hundred twenty-five".