1042342189 has 8 divisors (see below), whose sum is σ = 1192840448. Its totient is φ = 892242000.

The previous prime is 1042342163. The next prime is 1042342193. The reversal of 1042342189 is 9812432401.

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

It is a cyclic number.

It is not a de Polignac number, because 1042342189 - 2⁷ = 1042342061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042342289) 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, 93882 + ... + 104395.

It is an arithmetic number, because the mean of its divisors is an integer number (149105056).

Almost surely, 2^1042342189 is an apocalyptic number.

It is an amenable number.

1042342189 is a deficient number, since it is larger than the sum of its proper divisors (150498259).

1042342189 is an equidigital number, since it uses as much as digits as its factorization.

1042342189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199035.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1042342189 is about 32285.3246692673. The cubic root of 1042342189 is about 1013.9194139527.

The spelling of 1042342189 in words is "one billion, forty-two million, three hundred forty-two thousand, one hundred eighty-nine".