102040043 has 8 divisors (see below), whose sum is σ = 119769312. Its totient is φ = 85098816.

The previous prime is 102040027. The next prime is 102040061. The reversal of 102040043 is 340040201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102040043 - 2⁴ = 102040027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102040073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196730 + ... + 197247.

It is an arithmetic number, because the mean of its divisors is an integer number (14971164).

Almost surely, 2^102040043 is an apocalyptic number.

102040043 is a deficient number, since it is larger than the sum of its proper divisors (17729269).

102040043 is an equidigital number, since it uses as much as digits as its factorization.

102040043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394021.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 102040043 is about 10101.4871677392. The cubic root of 102040043 is about 467.2940066857.

Adding to 102040043 its reverse (340040201), we get a palindrome (442080244).

The spelling of 102040043 in words is "one hundred two million, forty thousand, forty-three".