1130123242 has 4 divisors (see below), whose sum is σ = 1695184866. Its totient is φ = 565061620.

The previous prime is 1130123213. The next prime is 1130123251. The reversal of 1130123242 is 2423210311.

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: 2423210311 = 17 ⋅142541783.

It can be written as a sum of positive squares in only one way, i.e., 657973801 + 472149441 = 25651^2 + 21729^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282530809 + ... + 282530812.

Almost surely, 2^1130123242 is an apocalyptic number.

1130123242 is a deficient number, since it is larger than the sum of its proper divisors (565061624).

1130123242 is an equidigital number, since it uses as much as digits as its factorization.

1130123242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565061623.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1130123242 is about 33617.3056921580. The cubic root of 1130123242 is about 1041.6183021413.

Adding to 1130123242 its reverse (2423210311), we get a palindrome (3553333553).

It can be divided in two parts, 11301 and 23242, that added together give a palindrome (34543).

The spelling of 1130123242 in words is "one billion, one hundred thirty million, one hundred twenty-three thousand, two hundred forty-two".