125770777 has 12 divisors (see below), whose sum is σ = 145753776. Its totient is φ = 107608640.

The previous prime is 125770763. The next prime is 125770781. The reversal of 125770777 is 777077521.

It is not a de Polignac number, because 125770777 - 2⁷ = 125770649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125740777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16603 + ... + 22960.

It is an arithmetic number, because the mean of its divisors is an integer number (12146148).

Almost surely, 2^125770777 is an apocalyptic number.

125770777 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

125770777 is a deficient number, since it is larger than the sum of its proper divisors (19982999).

125770777 is a wasteful number, since it uses less digits than its factorization.

125770777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39608 (or 39591 counting only the distinct ones).

The product of its (nonzero) digits is 168070, while the sum is 43.

The square root of 125770777 is about 11214.7571083818. The cubic root of 125770777 is about 501.0255975277.

The spelling of 125770777 in words is "one hundred twenty-five million, seven hundred seventy thousand, seven hundred seventy-seven".