1123725876 has 96 divisors (see below), whose sum is σ = 3275489280. Its totient is φ = 291924864.

The previous prime is 1123725871. The next prime is 1123725893. The reversal of 1123725876 is 6785273211.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123725871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65485 + ... + 80843.

It is an arithmetic number, because the mean of its divisors is an integer number (34119680).

Almost surely, 2^1123725876 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 1123725876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1637744640).

1123725876 is an abundant number, since it is smaller than the sum of its proper divisors (2151763404).

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

1123725876 is a wasteful number, since it uses less digits than its factorization.

1123725876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15453 (or 15451 counting only the distinct ones).

The product of its digits is 141120, while the sum is 42.

The square root of 1123725876 is about 33522.0207624779. The cubic root of 1123725876 is about 1039.6491284324.

The spelling of 1123725876 in words is "one billion, one hundred twenty-three million, seven hundred twenty-five thousand, eight hundred seventy-six".