10102543 has 16 divisors (see below), whose sum is σ = 11678976. Its totient is φ = 8648640.

The previous prime is 10102537. The next prime is 10102597. The reversal of 10102543 is 34520101.

10102543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10102543 - 2¹³ = 10094351 is a prime.

It is a super-2 number, since 2×10102543² = 204122750133698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10102513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18196 + ... + 18742.

It is an arithmetic number, because the mean of its divisors is an integer number (729936).

Almost surely, 2^10102543 is an apocalyptic number.

10102543 is a deficient number, since it is larger than the sum of its proper divisors (1576433).

10102543 is a wasteful number, since it uses less digits than its factorization.

10102543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10102543 is about 3178.4497793736. The cubic root of 10102543 is about 216.1773734530.

Adding to 10102543 its reverse (34520101), we get a palindrome (44622644).

It can be divided in two parts, 1010 and 2543, that added together give a palindrome (3553).

The spelling of 10102543 in words is "ten million, one hundred two thousand, five hundred forty-three".