1050557 has 4 divisors (see below), whose sum is σ = 1052640. Its totient is φ = 1048476.

The previous prime is 1050523. The next prime is 1050563. The reversal of 1050557 is 7550501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7550501 = 7 ⋅1078643.

It is a cyclic number.

It is not a de Polignac number, because 1050557 - 2¹⁰ = 1049533 is a prime.

It is a super-2 number, since 2×1050557² = 2207340020498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248 + ... + 1470.

It is an arithmetic number, because the mean of its divisors is an integer number (263160).

2^1050557 is an apocalyptic number.

It is an amenable number.

1050557 is a deficient number, since it is larger than the sum of its proper divisors (2083).

1050557 is an equidigital number, since it uses as much as digits as its factorization.

1050557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 1050557 is about 1024.9668287315. The cubic root of 1050557 is about 101.6576049733.

The spelling of 1050557 in words is "one million, fifty thousand, five hundred fifty-seven".