126301121 has 4 divisors (see below), whose sum is σ = 126936000. Its totient is φ = 125666244.

The previous prime is 126301103. The next prime is 126301127. The reversal of 126301121 is 121103621.

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, and also an emirpimes, since its reverse is a distinct semiprime: 121103621 = 163 ⋅742967.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126301121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126301121.

It is not an unprimeable number, because it can be changed into a prime (126301127) 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, 317141 + ... + 317538.

It is an arithmetic number, because the mean of its divisors is an integer number (31734000).

Almost surely, 2^126301121 is an apocalyptic number.

It is an amenable number.

126301121 is a deficient number, since it is larger than the sum of its proper divisors (634879).

126301121 is an equidigital number, since it uses as much as digits as its factorization.

126301121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634878.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 126301121 is about 11238.3771515286. The cubic root of 126301121 is about 501.7288433118.

Adding to 126301121 its reverse (121103621), we get a palindrome (247404742).

The spelling of 126301121 in words is "one hundred twenty-six million, three hundred one thousand, one hundred twenty-one".