1125882828 has 120 divisors (see below), whose sum is σ = 3374122752. Its totient is φ = 320690016.

The previous prime is 1125882827. The next prime is 1125882871. The reversal of 1125882828 is 8282885211.

It is a super-2 number, since 2×1125882828² = 2535224284770555168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1125882827) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1058625 + ... + 1059687.

Almost surely, 2^1125882828 is an apocalyptic number.

1125882828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125882828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1687061376).

1125882828 is an abundant number, since it is smaller than the sum of its proper divisors (2248239924).

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

1125882828 is a wasteful number, since it uses less digits than its factorization.

1125882828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1542 counting only the distinct ones).

The product of its digits is 163840, while the sum is 45.

The square root of 1125882828 is about 33554.1775044479. The cubic root of 1125882828 is about 1040.3138931703.

The spelling of 1125882828 in words is "one billion, one hundred twenty-five million, eight hundred eighty-two thousand, eight hundred twenty-eight".