102038843 has 4 divisors (see below), whose sum is σ = 102204840. Its totient is φ = 101872848.

The previous prime is 102038831. The next prime is 102038891. The reversal of 102038843 is 348830201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348830201 = 1553 ⋅224617.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102038843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102038243) 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, 82073 + ... + 83306.

It is an arithmetic number, because the mean of its divisors is an integer number (25551210).

Almost surely, 2^102038843 is an apocalyptic number.

102038843 is a deficient number, since it is larger than the sum of its proper divisors (165997).

102038843 is an equidigital number, since it uses as much as digits as its factorization.

102038843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165996.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 102038843 is about 10101.4277703699. The cubic root of 102038843 is about 467.2921748721.

The spelling of 102038843 in words is "one hundred two million, thirty-eight thousand, eight hundred forty-three".