125712436 has 12 divisors (see below), whose sum is σ = 231575680. Its totient is φ = 59547960.

The previous prime is 125712407. The next prime is 125712439. The reversal of 125712436 is 634217521.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 125712398 and 125712407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125712439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826980 + ... + 827131.

Almost surely, 2^125712436 is an apocalyptic number.

It is an amenable number.

125712436 is a deficient number, since it is larger than the sum of its proper divisors (105863244).

125712436 is a wasteful number, since it uses less digits than its factorization.

125712436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654134 (or 1654132 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 125712436 is about 11212.1557249264. The cubic root of 125712436 is about 500.9481156836.

Adding to 125712436 its reverse (634217521), we get a palindrome (759929957).

The spelling of 125712436 in words is "one hundred twenty-five million, seven hundred twelve thousand, four hundred thirty-six".