1010557 has 4 divisors (see below), whose sum is σ = 1014300. Its totient is φ = 1006816.

The previous prime is 1010549. The next prime is 1010567. The reversal of 1010557 is 7550101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 423801 + 586756 = 651^2 + 766^2 .

It is a cyclic number.

It is not a de Polignac number, because 1010557 - 2³ = 1010549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010567) 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, 1432 + ... + 2017.

It is an arithmetic number, because the mean of its divisors is an integer number (253575).

2^1010557 is an apocalyptic number.

It is an amenable number.

1010557 is a deficient number, since it is larger than the sum of its proper divisors (3743).

1010557 is an equidigital number, since it uses as much as digits as its factorization.

1010557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742.

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 1010557 is about 1005.2646417735. The cubic root of 1010557 is about 100.3506688760.

Adding to 1010557 its reverse (7550101), we get a palindrome (8560658).

It can be divided in two parts, 10 and 10557, that multiplied together give a triangular number (105570 = T₄₅₉).

The spelling of 1010557 in words is "one million, ten thousand, five hundred fifty-seven".