126441101 has 4 divisors (see below), whose sum is σ = 127083132. Its totient is φ = 125799072.

The previous prime is 126441083. The next prime is 126441103. The reversal of 126441101 is 101144621.

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 64818601 + 61622500 = 8051^2 + 7850^2 .

It is a cyclic number.

It is not a de Polignac number, because 126441101 - 2¹⁰ = 126440077 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 (126441103) 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, 320720 + ... + 321113.

It is an arithmetic number, because the mean of its divisors is an integer number (31770783).

Almost surely, 2^126441101 is an apocalyptic number.

It is an amenable number.

126441101 is a deficient number, since it is larger than the sum of its proper divisors (642031).

126441101 is an equidigital number, since it uses as much as digits as its factorization.

126441101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642030.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 126441101 is about 11244.6031944218. The cubic root of 126441101 is about 501.9141308552.

Adding to 126441101 its reverse (101144621), we get a palindrome (227585722).

The spelling of 126441101 in words is "one hundred twenty-six million, four hundred forty-one thousand, one hundred one".