126546113 has 4 divisors (see below), whose sum is σ = 133990020. Its totient is φ = 119102208.

The previous prime is 126546107. The next prime is 126546143. The reversal of 126546113 is 311645621.

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 60481729 + 66064384 = 7777^2 + 8128^2 .

It is a cyclic number.

It is not a de Polignac number, because 126546113 - 2⁴ = 126546097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126546143) 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, 3721928 + ... + 3721961.

It is an arithmetic number, because the mean of its divisors is an integer number (33497505).

Almost surely, 2^126546113 is an apocalyptic number.

It is an amenable number.

126546113 is a deficient number, since it is larger than the sum of its proper divisors (7443907).

126546113 is an equidigital number, since it uses as much as digits as its factorization.

126546113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7443906.

The product of its digits is 4320, while the sum is 29.

The square root of 126546113 is about 11249.2716653124. The cubic root of 126546113 is about 502.0530424950.

The spelling of 126546113 in words is "one hundred twenty-six million, five hundred forty-six thousand, one hundred thirteen".