125300666 has 4 divisors (see below), whose sum is σ = 187951002. Its totient is φ = 62650332.

The previous prime is 125300663. The next prime is 125300713. The reversal of 125300666 is 666003521.

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., 124970041 + 330625 = 11179^2 + 575^2 .

It is not an unprimeable number, because it can be changed into a prime (125300663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31325165 + ... + 31325168.

Almost surely, 2^125300666 is an apocalyptic number.

125300666 is a deficient number, since it is larger than the sum of its proper divisors (62650336).

125300666 is an equidigital number, since it uses as much as digits as its factorization.

125300666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62650335.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 125300666 is about 11193.7780038734. The cubic root of 125300666 is about 500.4005670064.

The spelling of 125300666 in words is "one hundred twenty-five million, three hundred thousand, six hundred sixty-six".