712120489 has 2 divisors, whose sum is σ = 712120490. Its totient is φ = 712120488.

The previous prime is 712120483. The next prime is 712120511. The reversal of 712120489 is 984021217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 671224464 + 40896025 = 25908^2 + 6395^2 .

It is a cyclic number.

It is not a de Polignac number, because 712120489 - 2³ = 712120481 is a prime.

It is not a weakly prime, because it can be changed into another prime (712120481) 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 as a sum of consecutive naturals, namely, 356060244 + 356060245.

It is an arithmetic number, because the mean of its divisors is an integer number (356060245).

Almost surely, 2^712120489 is an apocalyptic number.

It is an amenable number.

712120489 is a deficient number, since it is larger than the sum of its proper divisors (1).

712120489 is an equidigital number, since it uses as much as digits as its factorization.

712120489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 712120489 is about 26685.5857908347. The cubic root of 712120489 is about 892.9993863762. Note that the first 3 decimals are identical.

The spelling of 712120489 in words is "seven hundred twelve million, one hundred twenty thousand, four hundred eighty-nine".