43402102 has 4 divisors (see below), whose sum is σ = 65103156. Its totient is φ = 21701050.

The previous prime is 43402097. The next prime is 43402109. The reversal of 43402102 is 20120434.

43402102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20120434 = 2 ⋅10060217.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43402109) 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 as a sum of consecutive naturals, namely, 10850524 + ... + 10850527.

It is an arithmetic number, because the mean of its divisors is an integer number (16275789).

Almost surely, 2^43402102 is an apocalyptic number.

43402102 is a deficient number, since it is larger than the sum of its proper divisors (21701054).

43402102 is a wasteful number, since it uses less digits than its factorization.

43402102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21701053.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 43402102 is about 6588.0271705572. The cubic root of 43402102 is about 351.4284532858.

Adding to 43402102 its reverse (20120434), we get a palindrome (63522536).

The spelling of 43402102 in words is "forty-three million, four hundred two thousand, one hundred two".