10120320289 has 2 divisors, whose sum is σ = 10120320290. Its totient is φ = 10120320288.

The previous prime is 10120320257. The next prime is 10120320377. The reversal of 10120320289 is 98202302101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10073534689 + 46785600 = 100367^2 + 6840^2 .

It is a cyclic number.

It is not a de Polignac number, because 10120320289 - 2⁵ = 10120320257 is a prime.

It is not a weakly prime, because it can be changed into another prime (10120330289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060160144 + 5060160145.

It is an arithmetic number, because the mean of its divisors is an integer number (5060160145).

Almost surely, 2^10120320289 is an apocalyptic number.

It is an amenable number.

10120320289 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120320289 is an equidigital number, since it uses as much as digits as its factorization.

10120320289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 10120320289 in words is "ten billion, one hundred twenty million, three hundred twenty thousand, two hundred eighty-nine".