1121038382 has 4 divisors (see below), whose sum is σ = 1681557576. Its totient is φ = 560519190.

The previous prime is 1121038307. The next prime is 1121038411. The reversal of 1121038382 is 2838301211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2838301211 = 24019 ⋅118169.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 280259594 + ... + 280259597.

It is an arithmetic number, because the mean of its divisors is an integer number (420389394).

Almost surely, 2^1121038382 is an apocalyptic number.

1121038382 is a deficient number, since it is larger than the sum of its proper divisors (560519194).

1121038382 is an equidigital number, since it uses as much as digits as its factorization.

1121038382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560519193.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1121038382 is about 33481.9112656372. The cubic root of 1121038382 is about 1038.8196612617.

Adding to 1121038382 its reverse (2838301211), we get a palindrome (3959339593).

The spelling of 1121038382 in words is "one billion, one hundred twenty-one million, thirty-eight thousand, three hundred eighty-two".