125777763 has 12 divisors (see below), whose sum is σ = 186589728. Its totient is φ = 81585360.

The previous prime is 125777761. The next prime is 125777767. The reversal of 125777763 is 367777521.

125777763 is a `hidden beast` number, since 1 + 2 + 577 + 7 + 76 + 3 = 666.

It is not a de Polignac number, because 125777763 - 2¹ = 125777761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125777761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188523 + ... + 189188.

It is an arithmetic number, because the mean of its divisors is an integer number (15549144).

Almost surely, 2^125777763 is an apocalyptic number.

125777763 is a deficient number, since it is larger than the sum of its proper divisors (60811965).

125777763 is a wasteful number, since it uses less digits than its factorization.

125777763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377754 (or 377751 counting only the distinct ones).

The product of its digits is 432180, while the sum is 45.

The square root of 125777763 is about 11215.0685686713. The cubic root of 125777763 is about 501.0348739275.

It can be divided in two parts, 12 and 5777763, that added together give a palindrome (5777775).

The spelling of 125777763 in words is "one hundred twenty-five million, seven hundred seventy-seven thousand, seven hundred sixty-three".