1040557 has 8 divisors (see below), whose sum is σ = 1217216. Its totient is φ = 870912.

The previous prime is 1040531. The next prime is 1040563. The reversal of 1040557 is 7550401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040557 - 2¹⁵ = 1007789 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1428 + ... + 2029.

It is an arithmetic number, because the mean of its divisors is an integer number (152152).

2^1040557 is an apocalyptic number.

It is an amenable number.

1040557 is a deficient number, since it is larger than the sum of its proper divisors (176659).

1040557 is an equidigital number, since it uses as much as digits as its factorization.

1040557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 1040557 is about 1020.0769578811. The cubic root of 1040557 is about 101.3340246471.

Adding to 1040557 its reverse (7550401), we get a palindrome (8590958).

The spelling of 1040557 in words is "one million, forty thousand, five hundred fifty-seven".