125459777 has 2 divisors, whose sum is σ = 125459778. Its totient is φ = 125459776.

The previous prime is 125459743. The next prime is 125459791. The reversal of 125459777 is 777954521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116985856 + 8473921 = 10816^2 + 2911^2 .

It is a cyclic number.

It is not a de Polignac number, because 125459777 - 2¹⁴ = 125443393 is a prime.

It is not a weakly prime, because it can be changed into another prime (125459797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62729888 + 62729889.

It is an arithmetic number, because the mean of its divisors is an integer number (62729889).

Almost surely, 2^125459777 is an apocalyptic number.

It is an amenable number.

125459777 is a deficient number, since it is larger than the sum of its proper divisors (1).

125459777 is an equidigital number, since it uses as much as digits as its factorization.

125459777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 617400, while the sum is 47.

The square root of 125459777 is about 11200.8828669887. The cubic root of 125459777 is about 500.6122859059.

It can be divided in two parts, 12545 and 9777, that added together give a palindrome (22322).

The spelling of 125459777 in words is "one hundred twenty-five million, four hundred fifty-nine thousand, seven hundred seventy-seven".