126250000127 has 4 divisors (see below), whose sum is σ = 126316205496. Its totient is φ = 126183794760.

The previous prime is 126250000109. The next prime is 126250000141. The reversal of 126250000127 is 721000052621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126250000127 - 2³⁰ = 125176258303 is a prime.

It is a super-2 number, since 2×126250000127² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126250000096 and 126250000105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126250000627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33099824 + ... + 33103637.

It is an arithmetic number, because the mean of its divisors is an integer number (31579051374).

Almost surely, 2^126250000127 is an apocalyptic number.

126250000127 is a deficient number, since it is larger than the sum of its proper divisors (66205369).

126250000127 is an equidigital number, since it uses as much as digits as its factorization.

126250000127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66205368.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 126250000127 its reverse (721000052621), we get a palindrome (847250052748).

The spelling of 126250000127 in words is "one hundred twenty-six billion, two hundred fifty million, one hundred twenty-seven", and thus it is an aban number.