1057971 has 8 divisors (see below), whose sum is σ = 1430784. Its totient is φ = 695240.

The previous prime is 1057963. The next prime is 1057981. The reversal of 1057971 is 1797501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1057971 - 2³ = 1057963 is a prime.

It is a super-2 number, since 2×1057971² = 2238605273682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271 + ... + 2696.

It is an arithmetic number, because the mean of its divisors is an integer number (178848).

2^1057971 is an apocalyptic number.

1057971 is a deficient number, since it is larger than the sum of its proper divisors (372813).

1057971 is an equidigital number, since it uses as much as digits as its factorization.

1057971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5041.

The product of its (nonzero) digits is 2205, while the sum is 30.

The square root of 1057971 is about 1028.5771726030. The cubic root of 1057971 is about 101.8961842606.

The spelling of 1057971 in words is "one million, fifty-seven thousand, nine hundred seventy-one".