102943237 has 4 divisors (see below), whose sum is σ = 102989376. Its totient is φ = 102897100.

The previous prime is 102943223. The next prime is 102943271. The reversal of 102943237 is 732349201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 732349201 = 17321 ⋅42281.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102943237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102943199 and 102943208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102943277) 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, 19543 + ... + 24244.

It is an arithmetic number, because the mean of its divisors is an integer number (25747344).

Almost surely, 2^102943237 is an apocalyptic number.

It is an amenable number.

102943237 is a deficient number, since it is larger than the sum of its proper divisors (46139).

102943237 is an equidigital number, since it uses as much as digits as its factorization.

102943237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46138.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 102943237 is about 10146.0946674078. The cubic root of 102943237 is about 468.6686891379.

It can be divided in two parts, 10294 and 3237, that added together give a palindrome (13531).

The spelling of 102943237 in words is "one hundred two million, nine hundred forty-three thousand, two hundred thirty-seven".