10909143 has 24 divisors (see below), whose sum is σ = 18432128. Its totient is φ = 6087312.

The previous prime is 10909139. The next prime is 10909147. The reversal of 10909143 is 34190901.

10909143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10909139) and next prime (10909147).

It is not a de Polignac number, because 10909143 - 2² = 10909139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10909147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 696 + ... + 4722.

Almost surely, 2^10909143 is an apocalyptic number.

10909143 is a deficient number, since it is larger than the sum of its proper divisors (7522985).

10909143 is a wasteful number, since it uses less digits than its factorization.

10909143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083 (or 4080 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 10909143 is about 3302.8991810226. The cubic root of 10909143 is about 221.7839997912.

The spelling of 10909143 in words is "ten million, nine hundred nine thousand, one hundred forty-three".