125853787 has 2 divisors, whose sum is σ = 125853788. Its totient is φ = 125853786.

The previous prime is 125853757. The next prime is 125853803. The reversal of 125853787 is 787358521.

It is a strong prime.

It is an emirp because it is prime and its reverse (787358521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125853787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125853727) 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, 62926893 + 62926894.

It is an arithmetic number, because the mean of its divisors is an integer number (62926894).

Almost surely, 2^125853787 is an apocalyptic number.

125853787 is a deficient number, since it is larger than the sum of its proper divisors (1).

125853787 is an equidigital number, since it uses as much as digits as its factorization.

125853787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 46.

The square root of 125853787 is about 11218.4574251543. The cubic root of 125853787 is about 501.1358006269.

The spelling of 125853787 in words is "one hundred twenty-five million, eight hundred fifty-three thousand, seven hundred eighty-seven".