1130042 has 8 divisors (see below), whose sum is σ = 1736532. Its totient is φ = 551200.

The previous prime is 1130039. The next prime is 1130047. The reversal of 1130042 is 2400311.

It is a happy number.

1130042 is nontrivially palindromic in base 3 and base 9.

It can be written as a sum of positive squares in 2 ways, for example, as 1062961 + 67081 = 1031^2 + 259^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1130047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6809 + ... + 6972.

2^1130042 is an apocalyptic number.

1130042 is a deficient number, since it is larger than the sum of its proper divisors (606490).

1130042 is a wasteful number, since it uses less digits than its factorization.

1130042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13824.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1130042 is about 1063.0343362281. The cubic root of 1130042 is about 104.1593341683.

Adding to 1130042 its reverse (2400311), we get a palindrome (3530353).

The spelling of 1130042 in words is "one million, one hundred thirty thousand, forty-two".