1130404442 has 4 divisors (see below), whose sum is σ = 1695606666. Its totient is φ = 565202220.

The previous prime is 1130404441. The next prime is 1130404453. The reversal of 1130404442 is 2444040311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2444040311 = 631 ⋅3873281.

It can be written as a sum of positive squares in only one way, i.e., 1130237161 + 167281 = 33619^2 + 409^2 .

It is a super-3 number, since 3×1130404442³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1130404441) 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, 282601109 + ... + 282601112.

Almost surely, 2^1130404442 is an apocalyptic number.

1130404442 is a deficient number, since it is larger than the sum of its proper divisors (565202224).

1130404442 is an equidigital number, since it uses as much as digits as its factorization.

1130404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565202223.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1130404442 is about 33621.4878017021. The cubic root of 1130404442 is about 1041.7046876391.

Adding to 1130404442 its reverse (2444040311), we get a palindrome (3574444753).

The spelling of 1130404442 in words is "one billion, one hundred thirty million, four hundred four thousand, four hundred forty-two".