102543741 has 24 divisors (see below), whose sum is σ = 156349440. Its totient is φ = 64584000.

The previous prime is 102543731. The next prime is 102543751. The reversal of 102543741 is 147345201.

It is an interprime number because it is at equal distance from previous prime (102543731) and next prime (102543751).

It is not a de Polignac number, because 102543741 - 2¹¹ = 102541693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102543731) 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, 88516 + ... + 89666.

It is an arithmetic number, because the mean of its divisors is an integer number (6514560).

Almost surely, 2^102543741 is an apocalyptic number.

It is an amenable number.

102543741 is a deficient number, since it is larger than the sum of its proper divisors (53805699).

102543741 is a wasteful number, since it uses less digits than its factorization.

102543741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 102543741 is about 10126.3883492586. The cubic root of 102543741 is about 468.0616426584.

Adding to 102543741 its reverse (147345201), we get a palindrome (249888942).

The spelling of 102543741 in words is "one hundred two million, five hundred forty-three thousand, seven hundred forty-one".