125645705 has 8 divisors (see below), whose sum is σ = 151080000. Its totient is φ = 100313136.

The previous prime is 125645693. The next prime is 125645743. The reversal of 125645705 is 507546521.

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 125645705 - 2¹² = 125641609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22685 + ... + 27674.

It is an arithmetic number, because the mean of its divisors is an integer number (18885000).

Almost surely, 2^125645705 is an apocalyptic number.

It is an amenable number.

125645705 is a deficient number, since it is larger than the sum of its proper divisors (25434295).

125645705 is an equidigital number, since it uses as much as digits as its factorization.

125645705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50863.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 125645705 is about 11209.1794971800. The cubic root of 125645705 is about 500.8594618043.

The spelling of 125645705 in words is "one hundred twenty-five million, six hundred forty-five thousand, seven hundred five".