1054728 has 64 divisors (see below), whose sum is σ = 3096000. Its totient is φ = 331776.

The previous prime is 1054723. The next prime is 1054733. The reversal of 1054728 is 8274501.

It is a Cunningham number, because it is equal to 1027²-1.

It is an interprime number because it is at equal distance from previous prime (1054723) and next prime (1054733).

It is a super-2 number, since 2×1054728² = 2224902307968, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1054721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3976 + ... + 4232.

It is an arithmetic number, because the mean of its divisors is an integer number (48375).

2^1054728 is an apocalyptic number.

1054728 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 1054728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1548000).

1054728 is an abundant number, since it is smaller than the sum of its proper divisors (2041272).

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

1054728 is a wasteful number, since it uses less digits than its factorization.

1054728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1054728 is about 1026.9995131450. Note that the first 3 decimals coincide. The cubic root of 1054728 is about 101.7919635261.

The spelling of 1054728 in words is "one million, fifty-four thousand, seven hundred twenty-eight".