125377785 has 48 divisors (see below), whose sum is σ = 236343744. Its totient is φ = 61117056.

The previous prime is 125377781. The next prime is 125377787. The reversal of 125377785 is 587773521.

It is not a de Polignac number, because 125377785 - 2² = 125377781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 125377785.

It is not an unprimeable number, because it can be changed into a prime (125377781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61594 + ... + 63596.

It is an arithmetic number, because the mean of its divisors is an integer number (4923828).

Almost surely, 2^125377785 is an apocalyptic number.

125377785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125377785 is a deficient number, since it is larger than the sum of its proper divisors (110965959).

125377785 is a wasteful number, since it uses less digits than its factorization.

125377785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134 (or 2131 counting only the distinct ones).

The product of its digits is 411600, while the sum is 45.

The square root of 125377785 is about 11197.2222001709. Note that the first 4 decimals coincide. The cubic root of 125377785 is about 500.5032067294.

The spelling of 125377785 in words is "one hundred twenty-five million, three hundred seventy-seven thousand, seven hundred eighty-five".