1042628 has 12 divisors (see below), whose sum is σ = 1833132. Its totient is φ = 518880.

The previous prime is 1042619. The next prime is 1042631. The reversal of 1042628 is 8262401.

It can be written as a sum of positive squares in 2 ways, for example, as 399424 + 643204 = 632^2 + 802^2 .

It is an Ulam number.

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 3 ways as a sum of consecutive naturals, for example, 638 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (152761).

2^1042628 is an apocalyptic number.

It is an amenable number.

1042628 is a deficient number, since it is larger than the sum of its proper divisors (790504).

1042628 is a wasteful number, since it uses less digits than its factorization.

1042628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222 (or 1220 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1042628 is about 1021.0915727789. The cubic root of 1042628 is about 101.4012077968.

The spelling of 1042628 in words is "one million, forty-two thousand, six hundred twenty-eight".