1125342900 has 216 divisors, whose sum is σ = 3904625088. Its totient is φ = 268800000.

The previous prime is 1125342893. The next prime is 1125342917. The reversal of 1125342900 is 92435211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 702100 + ... + 703700.

It is an arithmetic number, because the mean of its divisors is an integer number (18076968).

Almost surely, 2^1125342900 is an apocalyptic number.

1125342900 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 1125342900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1952312544).

1125342900 is an abundant number, since it is smaller than the sum of its proper divisors (2779282188).

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

1125342900 is a wasteful number, since it uses less digits than its factorization.

1125342900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1125342900 is about 33546.1309244449. The cubic root of 1125342900 is about 1040.1475690501.

The spelling of 1125342900 in words is "one billion, one hundred twenty-five million, three hundred forty-two thousand, nine hundred".