1051218432 has 320 divisors, whose sum is σ = 3519774720. Its totient is φ = 306892800.

The previous prime is 1051218431. The next prime is 1051218437. The reversal of 1051218432 is 2348121501.

1051218432 is a `hidden beast` number, since 10 + 5 + 1 + 218 + 432 = 666.

It is a super-2 number, since 2×1051218432² = 2210120383553077248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1051218396 and 1051218405.

It is not an unprimeable number, because it can be changed into a prime (1051218431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4713873 + ... + 4714095.

It is an arithmetic number, because the mean of its divisors is an integer number (10999296).

Almost surely, 2^1051218432 is an apocalyptic number.

1051218432 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 1051218432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759887360).

1051218432 is an abundant number, since it is smaller than the sum of its proper divisors (2468556288).

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

1051218432 is a wasteful number, since it uses less digits than its factorization.

1051218432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 1051218432 is about 32422.4988549618. The cubic root of 1051218432 is about 1016.7893508253.

Adding to 1051218432 its reverse (2348121501), we get a palindrome (3399339933).

The spelling of 1051218432 in words is "one billion, fifty-one million, two hundred eighteen thousand, four hundred thirty-two".