125653745 has 16 divisors (see below), whose sum is σ = 181395840. Its totient is φ = 81627264.

The previous prime is 125653733. The next prime is 125653747. The reversal of 125653745 is 547356521.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 125653745 - 2⁴ = 125653729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125653699 and 125653708.

It is not an unprimeable number, because it can be changed into a prime (125653747) 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 in 15 ways as a sum of consecutive naturals, for example, 93812 + ... + 95141.

It is an arithmetic number, because the mean of its divisors is an integer number (11337240).

Almost surely, 2^125653745 is an apocalyptic number.

It is an amenable number.

125653745 is a deficient number, since it is larger than the sum of its proper divisors (55742095).

125653745 is a wasteful number, since it uses less digits than its factorization.

125653745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188984.

The product of its digits is 126000, while the sum is 38.

The square root of 125653745 is about 11209.5381260782. The cubic root of 125653745 is about 500.8701448176.

The spelling of 125653745 in words is "one hundred twenty-five million, six hundred fifty-three thousand, seven hundred forty-five".