1136869 has 2 divisors, whose sum is σ = 1136870. Its totient is φ = 1136868.

The previous prime is 1136843. The next prime is 1136897. The reversal of 1136869 is 9686311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1127844 + 9025 = 1062^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 1136869 - 2⁷ = 1136741 is a prime.

It is a super-2 number, since 2×1136869² = 2584942246322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1136809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568434 + 568435.

It is an arithmetic number, because the mean of its divisors is an integer number (568435).

2^1136869 is an apocalyptic number.

It is an amenable number.

1136869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136869 is an equidigital number, since it uses as much as digits as its factorization.

1136869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 34.

The square root of 1136869 is about 1066.2405919866. The cubic root of 1136869 is about 104.3686681471.

The spelling of 1136869 in words is "one million, one hundred thirty-six thousand, eight hundred sixty-nine".