1123302132 has 36 divisors (see below), whose sum is σ = 3006486756. Its totient is φ = 352408320.

The previous prime is 1123302119. The next prime is 1123302199. The reversal of 1123302132 is 2312033211.

It can be written as a sum of positive squares in 2 ways, for example, as 428241636 + 695060496 = 20694^2 + 26364^2 .

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

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

It is a congruent number.

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, 917119 + ... + 918342.

It is an arithmetic number, because the mean of its divisors is an integer number (83513521).

Almost surely, 2^1123302132 is an apocalyptic number.

1123302132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1123302132 is an abundant number, since it is smaller than the sum of its proper divisors (1883184624).

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

1123302132 is a wasteful number, since it uses less digits than its factorization.

1123302132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835488 (or 1835483 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1123302132 is about 33515.6997838327. The cubic root of 1123302132 is about 1039.5184321252.

Adding to 1123302132 its reverse (2312033211), we get a palindrome (3435335343).

The spelling of 1123302132 in words is "one billion, one hundred twenty-three million, three hundred two thousand, one hundred thirty-two".