1045728 has 36 divisors (see below), whose sum is σ = 2974608. Its totient is φ = 348480.

The previous prime is 1045727. The next prime is 1045729. The reversal of 1045728 is 8275401.

It is an interprime number because it is at equal distance from previous prime (1045727) and next prime (1045729).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1528 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (82628).

2^1045728 is an apocalyptic number.

1045728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1045728 is an abundant number, since it is smaller than the sum of its proper divisors (1928880).

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

1045728 is a wasteful number, since it uses less digits than its factorization.

1045728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647 (or 3636 counting only the distinct ones).

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

The square root of 1045728 is about 1022.6084294587. The cubic root of 1045728 is about 101.5016056109.

It can be divided in two parts, 104 and 5728, that added together give a cube (5832 = 18³).

The spelling of 1045728 in words is "one million, forty-five thousand, seven hundred twenty-eight".