1042656 has 24 divisors (see below), whose sum is σ = 2737224. Its totient is φ = 347520.

The previous prime is 1042633. The next prime is 1042681. The reversal of 1042656 is 6562401.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent 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, 5335 + ... + 5526.

It is an arithmetic number, because the mean of its divisors is an integer number (114051).

2^1042656 is an apocalyptic number.

1042656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1042656 is an abundant number, since it is smaller than the sum of its proper divisors (1694568).

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

1042656 is a wasteful number, since it uses less digits than its factorization.

1042656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10874 (or 10866 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1042656 is about 1021.1052835041. The cubic root of 1042656 is about 101.4021155058.

The spelling of 1042656 in words is "one million, forty-two thousand, six hundred fifty-six".