1121530338 has 24 divisors (see below), whose sum is σ = 2508370176. Its totient is φ = 361783800.

The previous prime is 1121530327. The next prime is 1121530339. The reversal of 1121530338 is 8330351211.

1121530338 is a `hidden beast` number, since 1 + 121 + 530 + 3 + 3 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1121530339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1004398 + ... + 1005513.

It is an arithmetic number, because the mean of its divisors is an integer number (104515424).

Almost surely, 2^1121530338 is an apocalyptic number.

1121530338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1121530338 is an abundant number, since it is smaller than the sum of its proper divisors (1386839838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121530338 is a wasteful number, since it uses less digits than its factorization.

1121530338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009950 (or 2009947 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1121530338 is about 33489.2570535687. The cubic root of 1121530338 is about 1038.9715974293.

Adding to 1121530338 its reverse (8330351211), we get a palindrome (9451881549).

The spelling of 1121530338 in words is "one billion, one hundred twenty-one million, five hundred thirty thousand, three hundred thirty-eight".