126002217 has 32 divisors (see below), whose sum is σ = 187246080. Its totient is φ = 74731520.

The previous prime is 126002207. The next prime is 126002221. The reversal of 126002217 is 712200621.

It is a cyclic number.

It is not a de Polignac number, because 126002217 - 2⁷ = 126002089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126002193 and 126002202.

It is not an unprimeable number, because it can be changed into a prime (126002207) 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 31 ways as a sum of consecutive naturals, for example, 490153 + ... + 490409.

It is an arithmetic number, because the mean of its divisors is an integer number (5851440).

Almost surely, 2^126002217 is an apocalyptic number.

It is an amenable number.

126002217 is a deficient number, since it is larger than the sum of its proper divisors (61243863).

126002217 is a wasteful number, since it uses less digits than its factorization.

126002217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 126002217 is about 11225.0709129163. The cubic root of 126002217 is about 501.3327338182.

Adding to 126002217 its reverse (712200621), we get a palindrome (838202838).

The spelling of 126002217 in words is "one hundred twenty-six million, two thousand, two hundred seventeen".