1125610720 has 192 divisors, whose sum is σ = 2992562496. Its totient is φ = 397393920.

The previous prime is 1125610693. The next prime is 1125610753. The reversal of 1125610720 is 270165211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5713662 + ... + 5713858.

It is an arithmetic number, because the mean of its divisors is an integer number (15586263).

Almost surely, 2^1125610720 is an apocalyptic number.

1125610720 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 1125610720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1496281248).

1125610720 is an abundant number, since it is smaller than the sum of its proper divisors (1866951776).

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

1125610720 is a wasteful number, since it uses less digits than its factorization.

1125610720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1125610720 is about 33550.1225035021. The cubic root of 1125610720 is about 1040.2300773018.

Adding to 1125610720 its reverse (270165211), we get a palindrome (1395775931).

The spelling of 1125610720 in words is "one billion, one hundred twenty-five million, six hundred ten thousand, seven hundred twenty".