126801113 has 4 divisors (see below), whose sum is σ = 134260020. Its totient is φ = 119342208.

The previous prime is 126801091. The next prime is 126801119. The reversal of 126801113 is 311108621.

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 81144064 + 45657049 = 9008^2 + 6757^2 .

It is a cyclic number.

It is not a de Polignac number, because 126801113 - 2⁶ = 126801049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126801119) 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, 3729428 + ... + 3729461.

It is an arithmetic number, because the mean of its divisors is an integer number (33565005).

Almost surely, 2^126801113 is an apocalyptic number.

It is an amenable number.

126801113 is a deficient number, since it is larger than the sum of its proper divisors (7458907).

126801113 is an equidigital number, since it uses as much as digits as its factorization.

126801113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7458906.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 126801113 is about 11260.6000284177. The cubic root of 126801113 is about 502.3900412026.

Adding to 126801113 its reverse (311108621), we get a palindrome (437909734).

The spelling of 126801113 in words is "one hundred twenty-six million, eight hundred one thousand, one hundred thirteen".