125635453127 has 2 divisors, whose sum is σ = 125635453128. Its totient is φ = 125635453126.

The previous prime is 125635453093. The next prime is 125635453147. The reversal of 125635453127 is 721354536521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125635453127 - 2¹² = 125635449031 is a prime.

It is a super-2 number, since 2×125635453127² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125635453147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62817726563 + 62817726564.

It is an arithmetic number, because the mean of its divisors is an integer number (62817726564).

Almost surely, 2^125635453127 is an apocalyptic number.

125635453127 is a deficient number, since it is larger than the sum of its proper divisors (1).

125635453127 is an equidigital number, since it uses as much as digits as its factorization.

125635453127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756000, while the sum is 44.

Adding to 125635453127 its reverse (721354536521), we get a palindrome (846989989648).

The spelling of 125635453127 in words is "one hundred twenty-five billion, six hundred thirty-five million, four hundred fifty-three thousand, one hundred twenty-seven".