1128874376 has 48 divisors (see below), whose sum is σ = 2461136640. Its totient is φ = 475521120.

The previous prime is 1128874343. The next prime is 1128874381. The reversal of 1128874376 is 6734788211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1128874376.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192041 + ... + 197831.

It is an arithmetic number, because the mean of its divisors is an integer number (51273680).

Almost surely, 2^1128874376 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 1128874376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1230568320).

1128874376 is an abundant number, since it is smaller than the sum of its proper divisors (1332262264).

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

1128874376 is an equidigital number, since it uses as much as digits as its factorization.

1128874376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922 (or 5859 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 1128874376 is about 33598.7258091732. The cubic root of 1128874376 is about 1041.2344734571.

The spelling of 1128874376 in words is "one billion, one hundred twenty-eight million, eight hundred seventy-four thousand, three hundred seventy-six".