1071457 has 2 divisors, whose sum is σ = 1071458. Its totient is φ = 1071456.

The previous prime is 1071451. The next prime is 1071479. The reversal of 1071457 is 7541701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 938961 + 132496 = 969^2 + 364^2 .

It is an emirp because it is prime and its reverse (7541701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1071457 - 2¹⁵ = 1038689 is a prime.

It is a super-2 number, since 2×1071457² = 2296040205698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1071451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535728 + 535729.

It is an arithmetic number, because the mean of its divisors is an integer number (535729).

2^1071457 is an apocalyptic number.

It is an amenable number.

1071457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071457 is an equidigital number, since it uses as much as digits as its factorization.

1071457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 1071457 is about 1035.1120712271. The cubic root of 1071457 is about 102.3273158216.

The spelling of 1071457 in words is "one million, seventy-one thousand, four hundred fifty-seven".