1152761 has 2 divisors, whose sum is σ = 1152762.
Its totient is φ = 1152760.
The previous prime is 1152757. The next prime is 1152763. The reversal of 1152761 is 1672511.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1142761 + 10000 = 1069^2 + 100^2
It is a cyclic number.
It is not a de Polignac number, because 1152761 - 22 = 1152757 is a prime.
Together with 1152763, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (1152763) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576380 + 576381.
It is an arithmetic number, because the mean of its divisors is an integer number (576381).
21152761 is an apocalyptic number.
It is an amenable number.
1152761 is a deficient number, since it is larger than the sum of its proper divisors (1).
1152761 is an equidigital number, since it uses as much as digits as its factorization.
1152761 is an evil number, because the sum of its binary digits is even.
The product of its digits is 420, while the sum is 23.
The square root of 1152761 is about 1073.6670806167.
The cubic root of 1152761 is about 104.8527338379.
The spelling of 1152761 in words is "one million, one hundred fifty-two thousand, seven hundred sixty-one".