125066066 has 4 divisors (see below), whose sum is σ = 187599102. Its totient is φ = 62533032.

The previous prime is 125066063. The next prime is 125066083. The reversal of 125066066 is 660660521.

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., 123321025 + 1745041 = 11105^2 + 1321^2 .

It is not an unprimeable number, because it can be changed into a prime (125066063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31266515 + ... + 31266518.

Almost surely, 2^125066066 is an apocalyptic number.

125066066 is a deficient number, since it is larger than the sum of its proper divisors (62533036).

125066066 is an equidigital number, since it uses as much as digits as its factorization.

125066066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62533035.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 125066066 is about 11183.2940585500. The cubic root of 125066066 is about 500.0880724856.

The spelling of 125066066 in words is "one hundred twenty-five million, sixty-six thousand, sixty-six".