126010001 has 8 divisors (see below), whose sum is σ = 143685864. Its totient is φ = 109474560.

The previous prime is 126009973. The next prime is 126010007. The reversal of 126010001 is 100010621.

It can be written as a sum of positive squares in 4 ways, for example, as 547600 + 125462401 = 740^2 + 11201^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-126010001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126010007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284870 + ... + 285311.

It is an arithmetic number, because the mean of its divisors is an integer number (17960733).

Almost surely, 2^126010001 is an apocalyptic number.

It is an amenable number.

126010001 is a deficient number, since it is larger than the sum of its proper divisors (17675863).

126010001 is a wasteful number, since it uses less digits than its factorization.

126010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570211.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 126010001 is about 11225.4176314291. The cubic root of 126010001 is about 501.3430571648.

Adding to 126010001 its reverse (100010621), we get a palindrome (226020622).

The spelling of 126010001 in words is "one hundred twenty-six million, ten thousand, one".