126027101 has 4 divisors (see below), whose sum is σ = 126050400. Its totient is φ = 126003804.

The previous prime is 126027091. The next prime is 126027107. The reversal of 126027101 is 101720621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126027101 - 2²² = 121832797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126027107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1160 + ... + 15918.

It is an arithmetic number, because the mean of its divisors is an integer number (31512600).

Almost surely, 2^126027101 is an apocalyptic number.

126027101 is the 5021-st centered decagonal number.

It is an amenable number.

126027101 is a deficient number, since it is larger than the sum of its proper divisors (23299).

126027101 is an equidigital number, since it uses as much as digits as its factorization.

126027101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23298.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 126027101 is about 11226.1792699030. The cubic root of 126027101 is about 501.3657341440.

Adding to 126027101 its reverse (101720621), we get a palindrome (227747722).

The spelling of 126027101 in words is "one hundred twenty-six million, twenty-seven thousand, one hundred one".