6120402289 has 3 divisors (see below), whose sum is σ = 6120480523. Its totient is φ = 6120324056.

The previous prime is 6120402263. The next prime is 6120402319. The reversal of 6120402289 is 9822040216.

The square root of 6120402289 is 78233.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 68807025 + 6051595264 = 8295^2 + 77792^2 .

It is not a de Polignac number, because 6120402289 - 2⁵ = 6120402257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6120402089) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 39117 + ... + 117349.

Almost surely, 2^6120402289 is an apocalyptic number.

6120402289 is the 78233-rd square number.

6120402289 is the 39117-th centered octagonal number.

It is an amenable number.

6120402289 is a deficient number, since it is larger than the sum of its proper divisors (78234).

6120402289 is an frugal number, since it uses more digits than its factorization.

6120402289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156466 (or 78233 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The cubic root of 6120402289 is about 1829.1949327909.

The spelling of 6120402289 in words is "six billion, one hundred twenty million, four hundred two thousand, two hundred eighty-nine".