125319812 has 12 divisors (see below), whose sum is σ = 219770880. Its totient is φ = 62528136.

The previous prime is 125319811. The next prime is 125319823. The reversal of 125319812 is 218913521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (125319811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30788 + ... + 34619.

It is an arithmetic number, because the mean of its divisors is an integer number (18314240).

Almost surely, 2^125319812 is an apocalyptic number.

It is an amenable number.

125319812 is a deficient number, since it is larger than the sum of its proper divisors (94451068).

125319812 is a wasteful number, since it uses less digits than its factorization.

125319812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65890 (or 65888 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 125319812 is about 11194.6331784476. The cubic root of 125319812 is about 500.4260528548.

The spelling of 125319812 in words is "one hundred twenty-five million, three hundred nineteen thousand, eight hundred twelve".