43042130 has 32 divisors (see below), whose sum is σ = 83794176. Its totient is φ = 15856384.

The previous prime is 43042081. The next prime is 43042133. The reversal of 43042130 is 3124034.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 43042099 and 43042108.

It is not an unprimeable number, because it can be changed into a prime (43042133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5297 + ... + 10683.

It is an arithmetic number, because the mean of its divisors is an integer number (2618568).

Almost surely, 2^43042130 is an apocalyptic number.

43042130 is a deficient number, since it is larger than the sum of its proper divisors (40752046).

43042130 is a wasteful number, since it uses less digits than its factorization.

43042130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 43042130 is about 6560.6501202244. The cubic root of 43042130 is about 350.4541858701.

Adding to 43042130 its reverse (3124034), we get a palindrome (46166164).

The spelling of 43042130 in words is "forty-three million, forty-two thousand, one hundred thirty".