10920869 has 2 divisors, whose sum is σ = 10920870. Its totient is φ = 10920868.

The previous prime is 10920863. The next prime is 10920887. The reversal of 10920869 is 96802901.

10920869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10176100 + 744769 = 3190^2 + 863^2 .

It is a cyclic number.

It is not a de Polignac number, because 10920869 - 2⁴ = 10920853 is a prime.

It is a super-2 number, since 2×10920869² = 238530759430322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10920863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5460434 + 5460435.

It is an arithmetic number, because the mean of its divisors is an integer number (5460435).

Almost surely, 2^10920869 is an apocalyptic number.

It is an amenable number.

10920869 is a deficient number, since it is larger than the sum of its proper divisors (1).

10920869 is an equidigital number, since it uses as much as digits as its factorization.

10920869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 10920869 is about 3304.6738114374. The cubic root of 10920869 is about 221.8634349325.

The spelling of 10920869 in words is "ten million, nine hundred twenty thousand, eight hundred sixty-nine".