1113569 has 2 divisors, whose sum is σ = 1113570. Its totient is φ = 1113568.

The previous prime is 1113557. The next prime is 1113587. The reversal of 1113569 is 9653111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1000000 + 113569 = 1000^2 + 337^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113569 - 2¹² = 1109473 is a prime.

It is a super-2 number, since 2×1113569² = 2480071835522, which contains 22 as substring.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1113509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556784 + 556785.

It is an arithmetic number, because the mean of its divisors is an integer number (556785).

2^1113569 is an apocalyptic number.

It is an amenable number.

1113569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113569 is an equidigital number, since it uses as much as digits as its factorization.

1113569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 26.

The square root of 1113569 is about 1055.2577884100. The cubic root of 1113569 is about 103.6507329423.

The spelling of 1113569 in words is "one million, one hundred thirteen thousand, five hundred sixty-nine".