1051320528 has 240 divisors, whose sum is σ = 3290414400. Its totient is φ = 311808000.

The previous prime is 1051320527. The next prime is 1051320551. The reversal of 1051320528 is 8250231501.

It is a happy number.

1051320528 is a `hidden beast` number, since 1 + 0 + 5 + 132 + 0 + 528 = 666.

1051320528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1051320528² = 2210549705188397568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051320527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4188403 + ... + 4188653.

It is an arithmetic number, because the mean of its divisors is an integer number (13710060).

Almost surely, 2^1051320528 is an apocalyptic number.

1051320528 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 1051320528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645207200).

1051320528 is an abundant number, since it is smaller than the sum of its proper divisors (2239093872).

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

1051320528 is a wasteful number, since it uses less digits than its factorization.

1051320528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1051320528 is about 32424.0732789697. The cubic root of 1051320528 is about 1016.8222671573.

The spelling of 1051320528 in words is "one billion, fifty-one million, three hundred twenty thousand, five hundred twenty-eight".