1125447876 has 108 divisors (see below), whose sum is σ = 3334224348. Its totient is φ = 319140864.

The previous prime is 1125447859. The next prime is 1125447877. The reversal of 1125447876 is 6787445211.

1125447876 is a `hidden beast` number, since 1 + 125 + 447 + 87 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 373262400 + 752185476 = 19320^2 + 27426^2 .

It is a super-2 number, since 2×1125447876² = 2533265843185822752, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125447877) 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 35 ways as a sum of consecutive naturals, for example, 239340 + ... + 243996.

Almost surely, 2^1125447876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125447876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1667112174).

1125447876 is an abundant number, since it is smaller than the sum of its proper divisors (2208776472).

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

1125447876 is a wasteful number, since it uses less digits than its factorization.

1125447876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818 (or 4806 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 1125447876 is about 33547.6955393362. The cubic root of 1125447876 is about 1040.1799109363.

The spelling of 1125447876 in words is "one billion, one hundred twenty-five million, four hundred forty-seven thousand, eight hundred seventy-six".