102043422 has 32 divisors (see below), whose sum is σ = 244208160. Its totient is φ = 31397760.

The previous prime is 102043421. The next prime is 102043441. The reversal of 102043422 is 224340201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102043395 and 102043404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102043421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71979 + ... + 73382.

It is an arithmetic number, because the mean of its divisors is an integer number (7631505).

Almost surely, 2^102043422 is an apocalyptic number.

102043422 is an abundant number, since it is smaller than the sum of its proper divisors (142164738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102043422 is a wasteful number, since it uses less digits than its factorization.

102043422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145385 (or 145379 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 102043422 is about 10101.6544189553. The cubic root of 102043422 is about 467.2991646903.

Adding to 102043422 its reverse (224340201), we get a palindrome (326383623).

The spelling of 102043422 in words is "one hundred two million, forty-three thousand, four hundred twenty-two".