125771766 has 8 divisors (see below), whose sum is σ = 251543544. Its totient is φ = 41923920.

The previous prime is 125771761. The next prime is 125771791. The reversal of 125771766 is 667177521.

It is a sphenic number, since it is the product of 3 distinct primes.

125771766 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125771761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10480975 + ... + 10480986.

It is an arithmetic number, because the mean of its divisors is an integer number (31442943).

Almost surely, 2^125771766 is an apocalyptic number.

125771766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125771766 is a wasteful number, since it uses less digits than its factorization.

125771766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20961966.

The product of its digits is 123480, while the sum is 42.

The square root of 125771766 is about 11214.8012019830. The cubic root of 125771766 is about 501.0269107979.

The spelling of 125771766 in words is "one hundred twenty-five million, seven hundred seventy-one thousand, seven hundred sixty-six".