126017213 has 8 divisors (see below), whose sum is σ = 144619200. Its totient is φ = 107565120.

The previous prime is 126017191. The next prime is 126017233. The reversal of 126017213 is 312710621.

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 126017213 - 2¹⁴ = 126000829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126017233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35663 + ... + 39036.

It is an arithmetic number, because the mean of its divisors is an integer number (18077400).

Almost surely, 2^126017213 is an apocalyptic number.

It is an amenable number.

126017213 is a deficient number, since it is larger than the sum of its proper divisors (18601987).

126017213 is an equidigital number, since it uses as much as digits as its factorization.

126017213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74947.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 126017213 is about 11225.7388620972. The cubic root of 126017213 is about 501.3526215303.

Adding to 126017213 its reverse (312710621), we get a palindrome (438727834).

The spelling of 126017213 in words is "one hundred twenty-six million, seventeen thousand, two hundred thirteen".