125867653 has 2 divisors, whose sum is σ = 125867654. Its totient is φ = 125867652.

The previous prime is 125867639. The next prime is 125867681. The reversal of 125867653 is 356768521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120494529 + 5373124 = 10977^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 125867653 - 2²¹ = 123770501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125867603) 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 as a sum of consecutive naturals, namely, 62933826 + 62933827.

It is an arithmetic number, because the mean of its divisors is an integer number (62933827).

Almost surely, 2^125867653 is an apocalyptic number.

It is an amenable number.

125867653 is a deficient number, since it is larger than the sum of its proper divisors (1).

125867653 is an equidigital number, since it uses as much as digits as its factorization.

125867653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The square root of 125867653 is about 11219.0754075369. The cubic root of 125867653 is about 501.1542042416.

The spelling of 125867653 in words is "one hundred twenty-five million, eight hundred sixty-seven thousand, six hundred fifty-three".