1121330361 has 16 divisors (see below), whose sum is σ = 1545905088. Its totient is φ = 722496000.

The previous prime is 1121330347. The next prime is 1121330411. The reversal of 1121330361 is 1630331211.

It is a de Polignac number, because none of the positive numbers 2^k-1121330361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121330311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29440 + ... + 55761.

It is an arithmetic number, because the mean of its divisors is an integer number (96619068).

Almost surely, 2^1121330361 is an apocalyptic number.

It is an amenable number.

1121330361 is a deficient number, since it is larger than the sum of its proper divisors (424574727).

1121330361 is a wasteful number, since it uses less digits than its factorization.

1121330361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85352.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1121330361 is about 33486.2712316555. The cubic root of 1121330361 is about 1038.9098416996.

Adding to 1121330361 its reverse (1630331211), we get a palindrome (2751661572).

The spelling of 1121330361 in words is "one billion, one hundred twenty-one million, three hundred thirty thousand, three hundred sixty-one".