125705200706 has 4 divisors (see below), whose sum is σ = 188557801062. Its totient is φ = 62852600352.

The previous prime is 125705200657. The next prime is 125705200729. The reversal of 125705200706 is 607002507521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75629950081 + 50075250625 = 275009^2 + 223775^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31426300175 + ... + 31426300178.

Almost surely, 2^125705200706 is an apocalyptic number.

125705200706 is a deficient number, since it is larger than the sum of its proper divisors (62852600356).

125705200706 is an equidigital number, since it uses as much as digits as its factorization.

125705200706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62852600355.

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 125705200706 in words is "one hundred twenty-five billion, seven hundred five million, two hundred thousand, seven hundred six".