1111052120 has 32 divisors (see below), whose sum is σ = 2509617600. Its totient is φ = 442687488.

The previous prime is 1111052101. The next prime is 1111052123. The reversal of 1111052120 is 212501111.

It is a junction number, because it is equal to n+sod(n) for n = 1111052095 and 1111052104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111052123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43760 + ... + 64319.

It is an arithmetic number, because the mean of its divisors is an integer number (78425550).

Almost surely, 2^1111052120 is an apocalyptic number.

1111052120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111052120 is an abundant number, since it is smaller than the sum of its proper divisors (1398565480).

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

1111052120 is a wasteful number, since it uses less digits than its factorization.

1111052120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108347 (or 108343 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 1111052120 is about 33332.4484549215. The cubic root of 1111052120 is about 1035.7258384171.

Adding to 1111052120 its reverse (212501111), we get a palindrome (1323553231).

The spelling of 1111052120 in words is "one billion, one hundred eleven million, fifty-two thousand, one hundred twenty".