1121323038 has 64 divisors (see below), whose sum is σ = 2583463680. Its totient is φ = 321780960.

The previous prime is 1121323037. The next prime is 1121323079. The reversal of 1121323038 is 8303231211.

It is a junction number, because it is equal to n+sod(n) for n = 1121322999 and 1121323017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121323037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451456 + ... + 453932.

It is an arithmetic number, because the mean of its divisors is an integer number (40366620).

Almost surely, 2^1121323038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121323038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1291731840).

1121323038 is an abundant number, since it is smaller than the sum of its proper divisors (1462140642).

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

1121323038 is a wasteful number, since it uses less digits than its factorization.

1121323038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550 (or 2512 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1121323038 is about 33486.1618881591. The cubic root of 1121323038 is about 1038.9075801141.

Adding to 1121323038 its reverse (8303231211), we get a palindrome (9424554249).

The spelling of 1121323038 in words is "one billion, one hundred twenty-one million, three hundred twenty-three thousand, thirty-eight".