10909071 has 6 divisors (see below), whose sum is σ = 15757560. Its totient is φ = 7272708.

The previous prime is 10909069. The next prime is 10909081. The reversal of 10909071 is 17090901.

It is not a de Polignac number, because 10909071 - 2¹ = 10909069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10909001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606051 + ... + 606068.

It is an arithmetic number, because the mean of its divisors is an integer number (2626260).

Almost surely, 2^10909071 is an apocalyptic number.

10909071 is a deficient number, since it is larger than the sum of its proper divisors (4848489).

10909071 is a wasteful number, since it uses less digits than its factorization.

10909071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212125 (or 1212122 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 10909071 is about 3302.8882814894. Note that the first 3 decimals coincide. The cubic root of 10909071 is about 221.7835118676.

Adding to 10909071 its reverse (17090901), we get a palindrome (27999972).

The spelling of 10909071 in words is "ten million, nine hundred nine thousand, seventy-one".