1126390824 has 72 divisors (see below), whose sum is σ = 3288304110. Its totient is φ = 346265856.

The previous prime is 1126390807. The next prime is 1126390829. The reversal of 1126390824 is 4280936211.

1126390824 is a `hidden beast` number, since 1 + 12 + 639 + 0 + 8 + 2 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 534441924 + 591948900 = 23118^2 + 24330^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1126390829) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1026244 + ... + 1027340.

Almost surely, 2^1126390824 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 1126390824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1644152055).

1126390824 is an abundant number, since it is smaller than the sum of its proper divisors (2161913286).

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

1126390824 is a wasteful number, since it uses less digits than its factorization.

1126390824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2219 (or 1115 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1126390824 is about 33561.7464384677. The cubic root of 1126390824 is about 1040.4703321356.

It can be divided in two parts, 112 and 6390824, that added together give a palindrome (6390936).

The spelling of 1126390824 in words is "one billion, one hundred twenty-six million, three hundred ninety thousand, eight hundred twenty-four".