1071487 has 2 divisors, whose sum is σ = 1071488. Its totient is φ = 1071486.

The previous prime is 1071479. The next prime is 1071529. The reversal of 1071487 is 7841701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1071487 - 2³ = 1071479 is a prime.

It is a super-2 number, since 2×1071487² = 2296168782338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1071407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535743 + 535744.

It is an arithmetic number, because the mean of its divisors is an integer number (535744).

2^1071487 is an apocalyptic number.

1071487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071487 is an equidigital number, since it uses as much as digits as its factorization.

1071487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 1071487 is about 1035.1265623101. The cubic root of 1071487 is about 102.3282708423.

It can be divided in two parts, 10714 and 87, that added together give a palindrome (10801).

The spelling of 1071487 in words is "one million, seventy-one thousand, four hundred eighty-seven".