1123522152 has 32 divisors (see below), whose sum is σ = 2816920800. Its totient is φ = 373425344.

The previous prime is 1123522111. The next prime is 1123522159. The reversal of 1123522152 is 2512253211.

It is a super-2 number, since 2×1123522152² = 2524604052069422208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1123522159) 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, 59127 + ... + 75782.

It is an arithmetic number, because the mean of its divisors is an integer number (88028775).

Almost surely, 2^1123522152 is an apocalyptic number.

1123522152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123522152 is an abundant number, since it is smaller than the sum of its proper divisors (1693398648).

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

1123522152 is a wasteful number, since it uses less digits than its factorization.

1123522152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135265 (or 135261 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 1123522152 is about 33518.9819654476. The cubic root of 1123522152 is about 1039.5862974863.

Adding to 1123522152 its reverse (2512253211), we get a palindrome (3635775363).

The spelling of 1123522152 in words is "one billion, one hundred twenty-three million, five hundred twenty-two thousand, one hundred fifty-two".