126500027 has 4 divisors (see below), whose sum is σ = 126875736. Its totient is φ = 126124320.

The previous prime is 126499991. The next prime is 126500041. The reversal of 126500027 is 720005621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126500027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126499975 and 126500011.

It is not an unprimeable number, because it can be changed into a prime (126500327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187349 + ... + 188022.

It is an arithmetic number, because the mean of its divisors is an integer number (31718934).

Almost surely, 2^126500027 is an apocalyptic number.

126500027 is a deficient number, since it is larger than the sum of its proper divisors (375709).

126500027 is an equidigital number, since it uses as much as digits as its factorization.

126500027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375708.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 126500027 is about 11247.2230794983. The cubic root of 126500027 is about 501.9920886252.

Adding to 126500027 its reverse (720005621), we get a palindrome (846505648).

The spelling of 126500027 in words is "one hundred twenty-six million, five hundred thousand, twenty-seven".