1057481 has 4 divisors (see below), whose sum is σ = 1067472. Its totient is φ = 1047492.

The previous prime is 1057477. The next prime is 1057487. The reversal of 1057481 is 1847501.

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: 1847501 = 41 ⋅45061.

It is a cyclic number.

It is not a de Polignac number, because 1057481 - 2² = 1057477 is a prime.

It is a super-2 number, since 2×1057481² = 2236532130722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1057481.

It is not an unprimeable number, because it can be changed into a prime (1057487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4835 + ... + 5048.

It is an arithmetic number, because the mean of its divisors is an integer number (266868).

2^1057481 is an apocalyptic number.

It is an amenable number.

1057481 is a deficient number, since it is larger than the sum of its proper divisors (9991).

1057481 is an equidigital number, since it uses as much as digits as its factorization.

1057481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9990.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1057481 is about 1028.3389519025. The cubic root of 1057481 is about 101.8804507352.

The spelling of 1057481 in words is "one million, fifty-seven thousand, four hundred eighty-one".