1123113132 has 36 divisors (see below), whose sum is σ = 2867098416. Its totient is φ = 370663200.

The previous prime is 1123113097. The next prime is 1123113163. The reversal of 1123113132 is 2313113211.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1123113132² = 2522766214541698848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150808 + ... + 158079.

Almost surely, 2^1123113132 is an apocalyptic number.

1123113132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123113132 is an abundant number, since it is smaller than the sum of its proper divisors (1743985284).

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

1123113132 is a wasteful number, since it uses less digits than its factorization.

1123113132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308998 (or 308993 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 1123113132 is about 33512.8800910933. The cubic root of 1123113132 is about 1039.4601278341.

Adding to 1123113132 its reverse (2313113211), we get a palindrome (3436226343).

The spelling of 1123113132 in words is "one billion, one hundred twenty-three million, one hundred thirteen thousand, one hundred thirty-two".