125777 has 2 divisors, whose sum is σ = 125778. Its totient is φ = 125776.
The previous prime is 125753. The next prime is 125789. The reversal of 125777 is 777521.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 99856 + 25921 = 316^2 + 161^2 .
It is a cyclic number.
It is not a de Polignac number, because 125777 - 210 = 124753 is a prime.
It is a Chen prime.
It is a plaindrome in base 10.
It is a nialpdrome in base 11.
It is not a weakly prime, because it can be changed into another prime (125707) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62888 + 62889.
It is an arithmetic number, because the mean of its divisors is an integer number (62889).
2125777 is an apocalyptic number.
It is an amenable number.
125777 is a deficient number, since it is larger than the sum of its proper divisors (1).
125777 is an equidigital number, since it uses as much as digits as its factorization.
125777 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3430, while the sum is 29.
The square root of 125777 is about 354.6505322145. The cubic root of 125777 is about 50.1033860790.
The spelling of 125777 in words is "one hundred twenty-five thousand, seven hundred seventy-seven".
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