1042040 has 32 divisors (see below), whose sum is σ = 2376000. Its totient is φ = 411264.

The previous prime is 1042039. The next prime is 1042043. The reversal of 1042040 is 402401.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042043) 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 in 7 ways as a sum of consecutive naturals, for example, 4241 + ... + 4479.

It is an arithmetic number, because the mean of its divisors is an integer number (74250).

2^1042040 is an apocalyptic number.

1042040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042040 is an abundant number, since it is smaller than the sum of its proper divisors (1333960).

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

1042040 is a wasteful number, since it uses less digits than its factorization.

1042040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 1042040 is about 1020.8036050093. The cubic root of 1042040 is about 101.3821421530.

Adding to 1042040 its reverse (402401), we get a palindrome (1444441).

The spelling of 1042040 in words is "one million, forty-two thousand, forty".