1040540 has 12 divisors (see below), whose sum is σ = 2185176. Its totient is φ = 416208.

The previous prime is 1040531. The next prime is 1040563. The reversal of 1040540 is 450401.

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, 25994 + ... + 26033.

It is an arithmetic number, because the mean of its divisors is an integer number (182098).

2^1040540 is an apocalyptic number.

1040540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040540 is an abundant number, since it is smaller than the sum of its proper divisors (1144636).

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

1040540 is a wasteful number, since it uses less digits than its factorization.

1040540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52036 (or 52034 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 1040540 is about 1020.0686251424. The cubic root of 1040540 is about 101.3334727991. Note that the first 3 decimals are identical.

Adding to 1040540 its reverse (450401), we get a palindrome (1490941).

The spelling of 1040540 in words is "one million, forty thousand, five hundred forty".