1057211 has 4 divisors (see below), whose sum is σ = 1060272. Its totient is φ = 1054152.

The previous prime is 1057183. The next prime is 1057219. The reversal of 1057211 is 1127501.

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 1057211 - 2¹⁴ = 1040827 is a prime.

It is a super-2 number, since 2×1057211² = 2235390197042, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1057211.

It is not an unprimeable number, because it can be changed into a prime (1057219) 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, 935 + ... + 1728.

It is an arithmetic number, because the mean of its divisors is an integer number (265068).

2^1057211 is an apocalyptic number.

1057211 is a deficient number, since it is larger than the sum of its proper divisors (3061).

1057211 is an equidigital number, since it uses as much as digits as its factorization.

1057211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3060.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 1057211 is about 1028.2076638501. The cubic root of 1057211 is about 101.8717791647.

The spelling of 1057211 in words is "one million, fifty-seven thousand, two hundred eleven".