1123057152 has 240 divisors, whose sum is σ = 3808408032. Its totient is φ = 311869440.

The previous prime is 1123057141. The next prime is 1123057163. The reversal of 1123057152 is 2517503211.

1123057152 is a `hidden beast` number, since 1 + 12 + 30 + 571 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (1123057141) and next prime (1123057163).

It is a super-2 number, since 2×1123057152² = 2522514733316702208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1193002 + ... + 1193942.

Almost surely, 2^1123057152 is an apocalyptic number.

1123057152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123057152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1904204016).

1123057152 is an abundant number, since it is smaller than the sum of its proper divisors (2685350880).

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

1123057152 is an equidigital number, since it uses as much as digits as its factorization.

1123057152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009 (or 990 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 1123057152 is about 33512.0448794161. The cubic root of 1123057152 is about 1039.4428574027.

The spelling of 1123057152 in words is "one billion, one hundred twenty-three million, fifty-seven thousand, one hundred fifty-two".