10112989 has 2 divisors, whose sum is σ = 10112990. Its totient is φ = 10112988.

The previous prime is 10112897. The next prime is 10113001. The reversal of 10112989 is 98921101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8940100 + 1172889 = 2990^2 + 1083^2 .

It is a cyclic number.

It is not a de Polignac number, because 10112989 - 2⁹ = 10112477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10112989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10112189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056494 + 5056495.

It is an arithmetic number, because the mean of its divisors is an integer number (5056495).

Almost surely, 2^10112989 is an apocalyptic number.

It is an amenable number.

10112989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10112989 is an equidigital number, since it uses as much as digits as its factorization.

10112989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 10112989 is about 3180.0926087144. The cubic root of 10112989 is about 216.2518567116.

The spelling of 10112989 in words is "ten million, one hundred twelve thousand, nine hundred eighty-nine".