1042868 has 6 divisors (see below), whose sum is σ = 1825026. Its totient is φ = 521432.

The previous prime is 1042861. The next prime is 1042897. The reversal of 1042868 is 8682401.

It can be written as a sum of positive squares in only one way, i.e., 753424 + 289444 = 868^2 + 538^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1042868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130355 + ... + 130362.

It is an arithmetic number, because the mean of its divisors is an integer number (304171).

2^1042868 is an apocalyptic number.

It is an amenable number.

1042868 is a deficient number, since it is larger than the sum of its proper divisors (782158).

1042868 is a wasteful number, since it uses less digits than its factorization.

1042868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260721 (or 260719 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1042868 is about 1021.2090873078. The cubic root of 1042868 is about 101.4089876323.

The spelling of 1042868 in words is "one million, forty-two thousand, eight hundred sixty-eight".