125816336 has 10 divisors (see below), whose sum is σ = 243769182. Its totient is φ = 62908160.

The previous prime is 125816333. The next prime is 125816351. The reversal of 125816336 is 633618521.

It can be written as a sum of positive squares in only one way, i.e., 70224400 + 55591936 = 8380^2 + 7456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125816296 and 125816305.

It is not an unprimeable number, because it can be changed into a prime (125816333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3931745 + ... + 3931776.

Almost surely, 2^125816336 is an apocalyptic number.

125816336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125816336 is a deficient number, since it is larger than the sum of its proper divisors (117952846).

125816336 is an equidigital number, since it uses as much as digits as its factorization.

125816336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863529 (or 7863523 counting only the distinct ones).

The product of its digits is 25920, while the sum is 35.

The square root of 125816336 is about 11216.7881320813. The cubic root of 125816336 is about 501.0860871214.

The spelling of 125816336 in words is "one hundred twenty-five million, eight hundred sixteen thousand, three hundred thirty-six".