126089101 has 4 divisors (see below), whose sum is σ = 126152572. Its totient is φ = 126025632.

The previous prime is 126089099. The next prime is 126089137. The reversal of 126089101 is 101980621.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52215076 + 73874025 = 7226^2 + 8595^2 .

It is a cyclic number.

It is not a de Polignac number, because 126089101 - 2¹ = 126089099 is a prime.

It is a super-2 number, since 2×126089101² = 31796922781976402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126089101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126089191) 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 in 3 ways as a sum of consecutive naturals, for example, 28656 + ... + 32761.

It is an arithmetic number, because the mean of its divisors is an integer number (31538143).

Almost surely, 2^126089101 is an apocalyptic number.

It is an amenable number.

126089101 is a deficient number, since it is larger than the sum of its proper divisors (63471).

126089101 is an equidigital number, since it uses as much as digits as its factorization.

126089101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63470.

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 126089101 is about 11228.9403329076. The cubic root of 126089101 is about 501.4479375727.

The spelling of 126089101 in words is "one hundred twenty-six million, eighty-nine thousand, one hundred one".