120489121265 has 8 divisors (see below), whose sum is σ = 149572702440. Its totient is φ = 93067459072.

The previous prime is 120489121223. The next prime is 120489121301. The reversal of 120489121265 is 562121984021.

It can be written as a sum of positive squares in 4 ways, for example, as 37825971121 + 82663150144 = 194489^2 + 287512^2 .

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 120489121265 - 2²⁴ = 120472344049 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415479584 + ... + 415479873.

It is an arithmetic number, because the mean of its divisors is an integer number (18696587805).

Almost surely, 2^120489121265 is an apocalyptic number.

It is an amenable number.

120489121265 is a deficient number, since it is larger than the sum of its proper divisors (29083581175).

120489121265 is an equidigital number, since it uses as much as digits as its factorization.

120489121265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830959491.

The product of its (nonzero) digits is 69120, while the sum is 41.

The spelling of 120489121265 in words is "one hundred twenty billion, four hundred eighty-nine million, one hundred twenty-one thousand, two hundred sixty-five".