120447121 has 8 divisors (see below), whose sum is σ = 128620800. Its totient is φ = 112541520.

The previous prime is 120447109. The next prime is 120447127. The reversal of 120447121 is 121744021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120447121 - 2⁹ = 120446609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120447092 and 120447101.

It is not an unprimeable number, because it can be changed into a prime (120447127) by changing a digit.

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, 66091 + ... + 67888.

It is an arithmetic number, because the mean of its divisors is an integer number (16077600).

Almost surely, 2^120447121 is an apocalyptic number.

It is an amenable number.

120447121 is a deficient number, since it is larger than the sum of its proper divisors (8173679).

120447121 is a wasteful number, since it uses less digits than its factorization.

120447121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134039.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 120447121 is about 10974.8403633037. The cubic root of 120447121 is about 493.8542640252.

The spelling of 120447121 in words is "one hundred twenty million, four hundred forty-seven thousand, one hundred twenty-one".