1125058280 has 32 divisors (see below), whose sum is σ = 2532500640. Its totient is φ = 449824320.

The previous prime is 1125058279. The next prime is 1125058289. The reversal of 1125058280 is 828505211.

It is a happy number.

It is a super-2 number, since 2×1125058280² = 2531512266793116800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1125058289) 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 7 ways as a sum of consecutive naturals, for example, 114107 + ... + 123573.

It is an arithmetic number, because the mean of its divisors is an integer number (79140645).

Almost surely, 2^1125058280 is an apocalyptic number.

1125058280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1125058280 is an abundant number, since it is smaller than the sum of its proper divisors (1407442360).

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

1125058280 is a wasteful number, since it uses less digits than its factorization.

1125058280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12449 (or 12445 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 1125058280 is about 33541.8884381902. Note that the first 3 decimals coincide. The cubic root of 1125058280 is about 1040.0598708136.

The spelling of 1125058280 in words is "one billion, one hundred twenty-five million, fifty-eight thousand, two hundred eighty".