1051728 has 20 divisors (see below), whose sum is σ = 2717088. Its totient is φ = 350560.

The previous prime is 1051717. The next prime is 1051747. The reversal of 1051728 is 8271501.

It is a super-2 number, since 2×1051728² = 2212263571968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1051698 and 1051707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10908 + ... + 11003.

2^1051728 is an apocalyptic number.

It is an amenable number.

1051728 is an abundant number, since it is smaller than the sum of its proper divisors (1665360).

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

1051728 is a wasteful number, since it uses less digits than its factorization.

1051728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21922 (or 21916 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1051728 is about 1025.5379076368. The cubic root of 1051728 is about 101.6953617231.

The spelling of 1051728 in words is "one million, fifty-one thousand, seven hundred twenty-eight".