125762645 has 8 divisors (see below), whose sum is σ = 151079256. Its totient is φ = 100500736.

The previous prime is 125762641. The next prime is 125762657. The reversal of 125762645 is 546267521.

It can be written as a sum of positive squares in 4 ways, for example, as 7540516 + 118222129 = 2746^2 + 10873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125762645 - 2² = 125762641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125762599 and 125762608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125762641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8432 + ... + 17961.

It is an arithmetic number, because the mean of its divisors is an integer number (18884907).

Almost surely, 2^125762645 is an apocalyptic number.

It is an amenable number.

125762645 is a deficient number, since it is larger than the sum of its proper divisors (25316611).

125762645 is an equidigital number, since it uses as much as digits as its factorization.

125762645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27351.

The product of its digits is 100800, while the sum is 38.

The square root of 125762645 is about 11214.3945445129. The cubic root of 125762645 is about 501.0147989727.

The spelling of 125762645 in words is "one hundred twenty-five million, seven hundred sixty-two thousand, six hundred forty-five".