1057322412 has 144 divisors (see below), whose sum is σ = 3019161600. Its totient is φ = 310003200.

The previous prime is 1057322381. The next prime is 1057322423. The reversal of 1057322412 is 2142237501.

It is a super-3 number, since 3×1057322412³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 918037 + ... + 919187.

It is an arithmetic number, because the mean of its divisors is an integer number (20966400).

Almost surely, 2^1057322412 is an apocalyptic number.

1057322412 is a gapful number since it is divisible by the number (12) 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 1057322412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509580800).

1057322412 is an abundant number, since it is smaller than the sum of its proper divisors (1961839188).

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

1057322412 is a wasteful number, since it uses less digits than its factorization.

1057322412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 1057322412 is about 32516.4944605042. The cubic root of 1057322412 is about 1018.7535755479.

Adding to 1057322412 its reverse (2142237501), we get a palindrome (3199559913).

The spelling of 1057322412 in words is "one billion, fifty-seven million, three hundred twenty-two thousand, four hundred twelve".