1056659 has 2 divisors, whose sum is σ = 1056660. Its totient is φ = 1056658.

The previous prime is 1056641. The next prime is 1056667. The reversal of 1056659 is 9566501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1056659 - 2¹² = 1052563 is a prime.

It is a super-2 number, since 2×1056659² = 2233056484562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1056959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528329 + 528330.

It is an arithmetic number, because the mean of its divisors is an integer number (528330).

2^1056659 is an apocalyptic number.

1056659 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056659 is an equidigital number, since it uses as much as digits as its factorization.

1056659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 1056659 is about 1027.9392005367. The cubic root of 1056659 is about 101.8540460248.

The spelling of 1056659 in words is "one million, fifty-six thousand, six hundred fifty-nine".