1121312330 has 16 divisors (see below), whose sum is σ = 2106117504. Its totient is φ = 429023760.

The previous prime is 1121312329. The next prime is 1121312359. The reversal of 1121312330 is 332131211.

It is a junction number, because it is equal to n+sod(n) for n = 1121312299 and 1121312308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2437406 + ... + 2437865.

It is an arithmetic number, because the mean of its divisors is an integer number (131632344).

Almost surely, 2^1121312330 is an apocalyptic number.

1121312330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121312330 is a deficient number, since it is larger than the sum of its proper divisors (984805174).

1121312330 is a wasteful number, since it uses less digits than its factorization.

1121312330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875301.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1121312330 is about 33486.0020008361. The cubic root of 1121312330 is about 1038.9042731106.

Adding to 1121312330 its reverse (332131211), we get a palindrome (1453443541).

The spelling of 1121312330 in words is "one billion, one hundred twenty-one million, three hundred twelve thousand, three hundred thirty".