125693012 has 6 divisors (see below), whose sum is σ = 219962778. Its totient is φ = 62846504.

The previous prime is 125693011. The next prime is 125693017. The reversal of 125693012 is 210396521.

It can be written as a sum of positive squares in only one way, i.e., 117375556 + 8317456 = 10834^2 + 2884^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125693011) 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 as a sum of consecutive naturals, namely, 15711623 + ... + 15711630.

It is an arithmetic number, because the mean of its divisors is an integer number (36660463).

Almost surely, 2^125693012 is an apocalyptic number.

It is an amenable number.

125693012 is a deficient number, since it is larger than the sum of its proper divisors (94269766).

125693012 is a wasteful number, since it uses less digits than its factorization.

125693012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31423257 (or 31423255 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 125693012 is about 11211.2894887252. The cubic root of 125693012 is about 500.9223136290.

The spelling of 125693012 in words is "one hundred twenty-five million, six hundred ninety-three thousand, twelve".