1071541 has 2 divisors, whose sum is σ = 1071542. Its totient is φ = 1071540.

The previous prime is 1071533. The next prime is 1071563. The reversal of 1071541 is 1451701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 729316 + 342225 = 854^2 + 585^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071541 - 2³ = 1071533 is a prime.

It is a super-2 number, since 2×1071541² = 2296400229362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1071571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535770 + 535771.

It is an arithmetic number, because the mean of its divisors is an integer number (535771).

2^1071541 is an apocalyptic number.

It is an amenable number.

1071541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071541 is an equidigital number, since it uses as much as digits as its factorization.

1071541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1071541 is about 1035.1526457484. The cubic root of 1071541 is about 102.3299898347.

The spelling of 1071541 in words is "one million, seventy-one thousand, five hundred forty-one".