125666753 has 2 divisors, whose sum is σ = 125666754. Its totient is φ = 125666752.

The previous prime is 125666729. The next prime is 125666789. The reversal of 125666753 is 357666521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79263409 + 46403344 = 8903^2 + 6812^2 .

It is an emirp because it is prime and its reverse (357666521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125666753 - 2²⁴ = 108889537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125666753.

It is not a weakly prime, because it can be changed into another prime (125666053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62833376 + 62833377.

It is an arithmetic number, because the mean of its divisors is an integer number (62833377).

Almost surely, 2^125666753 is an apocalyptic number.

It is an amenable number.

125666753 is a deficient number, since it is larger than the sum of its proper divisors (1).

125666753 is an equidigital number, since it uses as much as digits as its factorization.

125666753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 125666753 is about 11210.1183312220. The cubic root of 125666753 is about 500.8874280112.

The spelling of 125666753 in words is "one hundred twenty-five million, six hundred sixty-six thousand, seven hundred fifty-three".