1042724 has 24 divisors (see below), whose sum is σ = 1927800. Its totient is φ = 492800.

The previous prime is 1042709. The next prime is 1042733. The reversal of 1042724 is 4272401.

It can be written as a sum of positive squares in 4 ways, for example, as 268324 + 774400 = 518^2 + 880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1042696 and 1042705.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10274 + ... + 10374.

It is an arithmetic number, because the mean of its divisors is an integer number (80325).

2^1042724 is an apocalyptic number.

It is an amenable number.

1042724 is a deficient number, since it is larger than the sum of its proper divisors (885076).

1042724 is a wasteful number, since it uses less digits than its factorization.

1042724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 1042724 is about 1021.1385802133. The cubic root of 1042724 is about 101.4043198743.

The spelling of 1042724 in words is "one million, forty-two thousand, seven hundred twenty-four".