10120489 has 2 divisors, whose sum is σ = 10120490. Its totient is φ = 10120488.

The previous prime is 10120459. The next prime is 10120493. The reversal of 10120489 is 98402101.

It is a happy number.

10120489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9954025 + 166464 = 3155^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 10120489 - 2⁷ = 10120361 is a prime.

It is not a weakly prime, because it can be changed into another prime (10120459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060244 + 5060245.

It is an arithmetic number, because the mean of its divisors is an integer number (5060245).

Almost surely, 2^10120489 is an apocalyptic number.

It is an amenable number.

10120489 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120489 is an equidigital number, since it uses as much as digits as its factorization.

10120489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 10120489 is about 3181.2716011054. The cubic root of 10120489 is about 216.3053024387.

It can be divided in two parts, 10120 and 489, that added together give a square (10609 = 103²).

The spelling of 10120489 in words is "ten million, one hundred twenty thousand, four hundred eighty-nine".