1126921024 has 56 divisors (see below), whose sum is σ = 2374651080. Its totient is φ = 528777216.

The previous prime is 1126921013. The next prime is 1126921049. The reversal of 1126921024 is 4201296211.

It can be written as a sum of positive squares in 4 ways, for example, as 377913600 + 749007424 = 19440^2 + 27368^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1126920983 and 1126921001.

It is a congruent number.

It is an unprimeable number.

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, 430632 + ... + 433240.

Almost surely, 2^1126921024 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 1126921024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1187325540).

1126921024 is an abundant number, since it is smaller than the sum of its proper divisors (1247730056).

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

1126921024 is a wasteful number, since it uses less digits than its factorization.

1126921024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1126921024 is about 33569.6443829839. The cubic root of 1126921024 is about 1040.6335587365.

The spelling of 1126921024 in words is "one billion, one hundred twenty-six million, nine hundred twenty-one thousand, twenty-four".