1125892580 has 24 divisors (see below), whose sum is σ = 2388753528. Its totient is φ = 445713408.

The previous prime is 1125892543. The next prime is 1125892583. The reversal of 1125892580 is 852985211.

It can be written as a sum of positive squares in 4 ways, for example, as 139806976 + 986085604 = 11824^2 + 31402^2 .

It is not an unprimeable number, because it can be changed into a prime (1125892583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288239 + ... + 292118.

It is an arithmetic number, because the mean of its divisors is an integer number (99531397).

Almost surely, 2^1125892580 is an apocalyptic number.

1125892580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125892580 is an abundant number, since it is smaller than the sum of its proper divisors (1262860948).

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

1125892580 is a wasteful number, since it uses less digits than its factorization.

1125892580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580463 (or 580461 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 41.

The square root of 1125892580 is about 33554.3228213594. The cubic root of 1125892580 is about 1040.3168967723.

The spelling of 1125892580 in words is "one billion, one hundred twenty-five million, eight hundred ninety-two thousand, five hundred eighty".