1071057 has 16 divisors (see below), whose sum is σ = 1592640. Its totient is φ = 635712.

The previous prime is 1071053. The next prime is 1071061. The reversal of 1071057 is 7501701.

It is an interprime number because it is at equal distance from previous prime (1071053) and next prime (1071061).

It is not a de Polignac number, because 1071057 - 2² = 1071053 is a prime.

It is a super-2 number, since 2×1071057² = 2294326194498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658 + ... + 1604.

It is an arithmetic number, because the mean of its divisors is an integer number (99540).

2^1071057 is an apocalyptic number.

It is an amenable number.

1071057 is a deficient number, since it is larger than the sum of its proper divisors (521583).

1071057 is a wasteful number, since it uses less digits than its factorization.

1071057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its (nonzero) digits is 245, while the sum is 21.

The square root of 1071057 is about 1034.9188373974. The cubic root of 1071057 is about 102.3145805086.

Adding to 1071057 its reverse (7501701), we get a palindrome (8572758).

The spelling of 1071057 in words is "one million, seventy-one thousand, fifty-seven".