1125679 has 2 divisors, whose sum is σ = 1125680. Its totient is φ = 1125678.
The previous prime is 1125653. The next prime is 1125701. The reversal of 1125679 is 9765211.
It is a strong prime.
It is an emirp because it is prime and its reverse (9765211) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1125679 - 25 = 1125647 is a prime.
It is a super-2 number, since 2×11256792 = 2534306422082, which contains 22 as substring.
It is a Chen prime.
It is a plaindrome in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 1125679.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1125629) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562839 + 562840.
It is an arithmetic number, because the mean of its divisors is an integer number (562840).
21125679 is an apocalyptic number.
1125679 is a deficient number, since it is larger than the sum of its proper divisors (1).
1125679 is an equidigital number, since it uses as much as digits as its factorization.
1125679 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3780, while the sum is 31.
The square root of 1125679 is about 1060.9802071669. The cubic root of 1125679 is about 104.0251110468.
The spelling of 1125679 in words is "one million, one hundred twenty-five thousand, six hundred seventy-nine".
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