1121016120 has 96 divisors (see below), whose sum is σ = 3912138000. Its totient is φ = 256230912.

The previous prime is 1121016101. The next prime is 1121016133. The reversal of 1121016120 is 216101211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1121016120.

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 in 23 ways as a sum of consecutive naturals, for example, 89445 + ... + 101204.

Almost surely, 2^1121016120 is an apocalyptic number.

1121016120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121016120 is an abundant number, since it is smaller than the sum of its proper divisors (2791121880).

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

1121016120 is a wasteful number, since it uses less digits than its factorization.

1121016120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190677 (or 190666 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1121016120 is about 33481.5788158205. The cubic root of 1121016120 is about 1038.8127847929.

Adding to 1121016120 its reverse (216101211), we get a palindrome (1337117331).

The spelling of 1121016120 in words is "one billion, one hundred twenty-one million, sixteen thousand, one hundred twenty".