125051266 has 16 divisors (see below), whose sum is σ = 189222264. Its totient is φ = 61979904.

The previous prime is 125051261. The next prime is 125051273. The reversal of 125051266 is 662150521.

It can be written as a sum of positive squares in 4 ways, for example, as 124970041 + 81225 = 11179^2 + 285^2 .

It is not an unprimeable number, because it can be changed into a prime (125051261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170236 + ... + 170968.

Almost surely, 2^125051266 is an apocalyptic number.

125051266 is a deficient number, since it is larger than the sum of its proper divisors (64170998).

125051266 is a wasteful number, since it uses less digits than its factorization.

125051266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 125051266 is about 11182.6323376922. The cubic root of 125051266 is about 500.0683453241.

The spelling of 125051266 in words is "one hundred twenty-five million, fifty-one thousand, two hundred sixty-six".