1125847860 has 48 divisors (see below), whose sum is σ = 3261081600. Its totient is φ = 289873024.

The previous prime is 1125847847. The next prime is 1125847927. The reversal of 1125847860 is 687485211.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 321780 + ... + 325259.

It is an arithmetic number, because the mean of its divisors is an integer number (67939200).

Almost surely, 2^1125847860 is an apocalyptic number.

1125847860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125847860 is an abundant number, since it is smaller than the sum of its proper divisors (2135233740).

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

1125847860 is a wasteful number, since it uses less digits than its factorization.

1125847860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647080 (or 647078 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 1125847860 is about 33553.6564326453. The cubic root of 1125847860 is about 1040.3031229338.

The spelling of 1125847860 in words is "one billion, one hundred twenty-five million, eight hundred forty-seven thousand, eight hundred sixty".