1132243400 has 24 divisors (see below), whose sum is σ = 2632466370. Its totient is φ = 452897280.

The previous prime is 1132243397. The next prime is 1132243403. The reversal of 1132243400 is 43422311.

It is an interprime number because it is at equal distance from previous prime (1132243397) and next prime (1132243403).

It can be written as a sum of positive squares in 3 ways, for example, as 890067556 + 242175844 = 29834^2 + 15562^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1132243403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2830409 + ... + 2830808.

Almost surely, 2^1132243400 is an apocalyptic number.

1132243400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132243400 is an abundant number, since it is smaller than the sum of its proper divisors (1500222970).

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

1132243400 is a wasteful number, since it uses less digits than its factorization.

1132243400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661233 (or 5661224 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1132243400 is about 33648.8246451492. The cubic root of 1132243400 is about 1042.2692682537.

Adding to 1132243400 its reverse (43422311), we get a palindrome (1175665711).

The spelling of 1132243400 in words is "one billion, one hundred thirty-two million, two hundred forty-three thousand, four hundred".