1125424300 has 144 divisors (see below), whose sum is σ = 3279290112. Its totient is φ = 323769600.

The previous prime is 1125424273. The next prime is 1125424303. The reversal of 1125424300 is 34245211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1125424303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94479 + ... + 105721.

It is an arithmetic number, because the mean of its divisors is an integer number (22772848).

Almost surely, 2^1125424300 is an apocalyptic number.

1125424300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125424300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1639645056).

1125424300 is an abundant number, since it is smaller than the sum of its proper divisors (2153865812).

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

1125424300 is a wasteful number, since it uses less digits than its factorization.

1125424300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11288 (or 11281 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1125424300 is about 33547.3441571758. The cubic root of 1125424300 is about 1040.1726476197.

Adding to 1125424300 its reverse (34245211), we get a palindrome (1159669511).

Subtracting from 1125424300 its reverse (34245211), we obtain a square (1091179089 = 33033²).

The spelling of 1125424300 in words is "one billion, one hundred twenty-five million, four hundred twenty-four thousand, three hundred".