1048257 has 18 divisors (see below), whose sum is σ = 1762098. Its totient is φ = 598752.

The previous prime is 1048219. The next prime is 1048261. The reversal of 1048257 is 7528401.

It can be written as a sum of positive squares in only one way, i.e., 853776 + 194481 = 924^2 + 441^2 .

It is not a de Polignac number, because 1048257 - 2⁶ = 1048193 is a prime.

1048257 is a lucky number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1048257.

It is not an unprimeable number, because it can be changed into a prime (1048217) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 748 + ... + 1629.

2^1048257 is an apocalyptic number.

It is an amenable number.

1048257 is a deficient number, since it is larger than the sum of its proper divisors (713841).

1048257 is a wasteful number, since it uses less digits than its factorization.

1048257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397 (or 2387 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1048257 is about 1023.8442264329. The cubic root of 1048257 is about 101.5833639345.

The spelling of 1048257 in words is "one million, forty-eight thousand, two hundred fifty-seven".