1123053112 has 8 divisors (see below), whose sum is σ = 2105724600. Its totient is φ = 561526552.

The previous prime is 1123053103. The next prime is 1123053149. The reversal of 1123053112 is 2113503211.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1123053112² = 2522496584745769088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123053112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70190812 + ... + 70190827.

It is an arithmetic number, because the mean of its divisors is an integer number (263215575).

Almost surely, 2^1123053112 is an apocalyptic number.

It is an amenable number.

1123053112 is a deficient number, since it is larger than the sum of its proper divisors (982671488).

1123053112 is a wasteful number, since it uses less digits than its factorization.

1123053112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140381645 (or 140381641 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1123053112 is about 33511.9846025269. The cubic root of 1123053112 is about 1039.4416109971.

Adding to 1123053112 its reverse (2113503211), we get a palindrome (3236556323).

The spelling of 1123053112 in words is "one billion, one hundred twenty-three million, fifty-three thousand, one hundred twelve".