1260569 has 2 divisors, whose sum is σ = 1260570. Its totient is φ = 1260568.

The previous prime is 1260551. The next prime is 1260577. The reversal of 1260569 is 9650621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1236544 + 24025 = 1112^2 + 155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260569 is a prime.

It is a super-2 number, since 2×1260569² = 3178068407522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1260509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630284 + 630285.

It is an arithmetic number, because the mean of its divisors is an integer number (630285).

2^1260569 is an apocalyptic number.

It is an amenable number.

1260569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260569 is an equidigital number, since it uses as much as digits as its factorization.

1260569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 1260569 is about 1122.7506401690. The cubic root of 1260569 is about 108.0244857605.

The spelling of 1260569 in words is "one million, two hundred sixty thousand, five hundred sixty-nine".