126541001 has 8 divisors (see below), whose sum is σ = 128255400. Its totient is φ = 124833280.

The previous prime is 126540991. The next prime is 126541003. The reversal of 126541001 is 100145621.

It can be written as a sum of positive squares in 4 ways, for example, as 20430400 + 106110601 = 4520^2 + 10301^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126541001 - 2¹⁰ = 126539977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126541003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45005 + ... + 47733.

It is an arithmetic number, because the mean of its divisors is an integer number (16031925).

Almost surely, 2^126541001 is an apocalyptic number.

It is an amenable number.

126541001 is a deficient number, since it is larger than the sum of its proper divisors (1714399).

126541001 is an equidigital number, since it uses as much as digits as its factorization.

126541001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3339.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 126541001 is about 11249.0444483076. The cubic root of 126541001 is about 502.0462820352.

Adding to 126541001 its reverse (100145621), we get a palindrome (226686622).

The spelling of 126541001 in words is "one hundred twenty-six million, five hundred forty-one thousand, one".