1135247 has 2 divisors, whose sum is σ = 1135248. Its totient is φ = 1135246.

The previous prime is 1135241. The next prime is 1135261. The reversal of 1135247 is 7425311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1135247 - 2¹⁴ = 1118863 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 1 + 1 + 3² + 5⁷ + 2¹³ + 4¹⁰ + 7³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1135241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567623 + 567624.

It is an arithmetic number, because the mean of its divisors is an integer number (567624).

2^1135247 is an apocalyptic number.

1135247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135247 is an equidigital number, since it uses as much as digits as its factorization.

1135247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 23.

The square root of 1135247 is about 1065.4797041708. The cubic root of 1135247 is about 104.3190093761.

Subtracting 1135247 from its reverse (7425311), we obtain a square (6290064 = 2508²).

The spelling of 1135247 in words is "one million, one hundred thirty-five thousand, two hundred forty-seven".