125112836 has 12 divisors (see below), whose sum is σ = 224865228. Its totient is φ = 60865632.

The previous prime is 125112833. The next prime is 125112839. The reversal of 125112836 is 638211521.

It is an interprime number because it is at equal distance from previous prime (125112833) and next prime (125112839).

It can be written as a sum of positive squares in 2 ways, for example, as 53202436 + 71910400 = 7294^2 + 8480^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125112799 and 125112808.

It is not an unprimeable number, because it can be changed into a prime (125112833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422531 + ... + 422826.

It is an arithmetic number, because the mean of its divisors is an integer number (18738769).

Almost surely, 2^125112836 is an apocalyptic number.

It is an amenable number.

125112836 is a deficient number, since it is larger than the sum of its proper divisors (99752392).

125112836 is a wasteful number, since it uses less digits than its factorization.

125112836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845398 (or 845396 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 125112836 is about 11185.3849285574. The cubic root of 125112836 is about 500.1504027535.

The spelling of 125112836 in words is "one hundred twenty-five million, one hundred twelve thousand, eight hundred thirty-six".