102543037 has 4 divisors (see below), whose sum is σ = 102610620. Its totient is φ = 102475456.

The previous prime is 102543029. The next prime is 102543053. The reversal of 102543037 is 730345201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4414201 + 98128836 = 2101^2 + 9906^2 .

It is a cyclic number.

It is not a de Polignac number, because 102543037 - 2³ = 102543029 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 (102543937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31462 + ... + 34567.

It is an arithmetic number, because the mean of its divisors is an integer number (25652655).

Almost surely, 2^102543037 is an apocalyptic number.

It is an amenable number.

102543037 is a deficient number, since it is larger than the sum of its proper divisors (67583).

102543037 is an equidigital number, since it uses as much as digits as its factorization.

102543037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67582.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 102543037 is about 10126.3535885332. The cubic root of 102543037 is about 468.0605715182.

Adding to 102543037 its reverse (730345201), we get a palindrome (832888238).

The spelling of 102543037 in words is "one hundred two million, five hundred forty-three thousand, thirty-seven".