1123152 has 20 divisors (see below), whose sum is σ = 2901600. Its totient is φ = 374368.

The previous prime is 1123151. The next prime is 1123181. The reversal of 1123152 is 2513211.

It is a super-2 number, since 2×1123152² = 2522940830208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11652 + ... + 11747.

It is an arithmetic number, because the mean of its divisors is an integer number (145080).

2^1123152 is an apocalyptic number.

1123152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123152 is an abundant number, since it is smaller than the sum of its proper divisors (1778448).

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

1123152 is a wasteful number, since it uses less digits than its factorization.

1123152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23410 (or 23404 counting only the distinct ones).

The product of its digits is 60, while the sum is 15.

The square root of 1123152 is about 1059.7886581767. The cubic root of 1123152 is about 103.9472118692.

Adding to 1123152 its reverse (2513211), we get a palindrome (3636363).

It can be divided in two parts, 1123 and 152, that added together give a triangular number (1275 = T₅₀).

The spelling of 1123152 in words is "one million, one hundred twenty-three thousand, one hundred fifty-two".