1121322130 has 16 divisors (see below), whose sum is σ = 2051469144. Its totient is φ = 441175680.

The previous prime is 1121322119. The next prime is 1121322157. The reversal of 1121322130 is 312231211.

It can be written as a sum of positive squares in 4 ways, for example, as 804232881 + 317089249 = 28359^2 + 17807^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 918507 + ... + 919726.

Almost surely, 2^1121322130 is an apocalyptic number.

1121322130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121322130 is a deficient number, since it is larger than the sum of its proper divisors (930147014).

1121322130 is a wasteful number, since it uses less digits than its factorization.

1121322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838301.

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

The square root of 1121322130 is about 33486.1483303171. The cubic root of 1121322130 is about 1038.9072996929.

Adding to 1121322130 its reverse (312231211), we get a palindrome (1433553341).

The spelling of 1121322130 in words is "one billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred thirty".