1057479 has 4 divisors (see below), whose sum is σ = 1409976. Its totient is φ = 704984.

The previous prime is 1057477. The next prime is 1057487. The reversal of 1057479 is 9747501.

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

It is a cyclic number.

It is not a de Polignac number, because 1057479 - 2¹ = 1057477 is a prime.

It is a super-2 number, since 2×1057479² = 2236523670882, which contains 22 as substring.

It is a D-number.

1057479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057477) 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, 176244 + ... + 176249.

It is an arithmetic number, because the mean of its divisors is an integer number (352494).

2^1057479 is an apocalyptic number.

1057479 is a deficient number, since it is larger than the sum of its proper divisors (352497).

1057479 is an equidigital number, since it uses as much as digits as its factorization.

1057479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352496.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 1057479 is about 1028.3379794601. The cubic root of 1057479 is about 101.8803865068.

The spelling of 1057479 in words is "one million, fifty-seven thousand, four hundred seventy-nine".