1121223130 has 8 divisors (see below), whose sum is σ = 2018201652. Its totient is φ = 448489248.

The previous prime is 1121223071. The next prime is 1121223139. The reversal of 1121223130 is 313221211.

It can be written as a sum of positive squares in 2 ways, for example, as 1100182561 + 21040569 = 33169^2 + 4587^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1121223139) 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 in 3 ways as a sum of consecutive naturals, for example, 56061147 + ... + 56061166.

Almost surely, 2^1121223130 is an apocalyptic number.

1121223130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121223130 is a deficient number, since it is larger than the sum of its proper divisors (896978522).

1121223130 is a wasteful number, since it uses less digits than its factorization.

1121223130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112122320.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1121223130 is about 33484.6700745281. The cubic root of 1121223130 is about 1038.8767242240.

Adding to 1121223130 its reverse (313221211), we get a palindrome (1434444341).

The spelling of 1121223130 in words is "one billion, one hundred twenty-one million, two hundred twenty-three thousand, one hundred thirty".