120528933373489 has 9 divisors (see below), whose sum is σ = 125997428718763. Its totient is φ = 115288303437472.

The previous prime is 120528933373477. The next prime is 120528933373531. The reversal of 120528933373489 is 984373339825021.

The square root of 120528933373489 is 10978567.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18802344251889 + 101726589121600 = 4336167^2 + 10085960^2 .

It is not a de Polignac number, because 120528933373489 - 2³⁹ = 119979177559601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120528933373469) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 252268377 + ... + 252745705.

Almost surely, 2^{120528933373489} is an apocalyptic number.

120528933373489 is the 10978567-th square number.

120528933373489 is the 5489284-th centered octagonal number.

It is an amenable number.

120528933373489 is a deficient number, since it is larger than the sum of its proper divisors (5468495345274).

120528933373489 is an frugal number, since it uses more digits than its factorization.

120528933373489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954704 (or 477352 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 67.

The spelling of 120528933373489 in words is "one hundred twenty trillion, five hundred twenty-eight billion, nine hundred thirty-three million, three hundred seventy-three thousand, four hundred eighty-nine".