1121513022 has 96 divisors (see below), whose sum is σ = 2822107392. Its totient is φ = 315286272.

The previous prime is 1121512991. The next prime is 1121513033. The reversal of 1121513022 is 2203151211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1121512986 and 1121513004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3231853 + ... + 3232199.

It is an arithmetic number, because the mean of its divisors is an integer number (29396952).

Almost surely, 2^1121513022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121513022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411053696).

1121513022 is an abundant number, since it is smaller than the sum of its proper divisors (1700594370).

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

1121513022 is a wasteful number, since it uses less digits than its factorization.

1121513022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1121513022 is about 33488.9985219027. The cubic root of 1121513022 is about 1038.9662502936.

Adding to 1121513022 its reverse (2203151211), we get a palindrome (3324664233).

The spelling of 1121513022 in words is "one billion, one hundred twenty-one million, five hundred thirteen thousand, twenty-two".