126622213 has 8 divisors (see below), whose sum is σ = 133574400. Its totient is φ = 119698848.

The previous prime is 126622193. The next prime is 126622217. The reversal of 126622213 is 312226621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126622213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126622217) 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, 2145 + ... + 16057.

It is an arithmetic number, because the mean of its divisors is an integer number (16696800).

Almost surely, 2^126622213 is an apocalyptic number.

It is an amenable number.

126622213 is a deficient number, since it is larger than the sum of its proper divisors (6952187).

126622213 is a wasteful number, since it uses less digits than its factorization.

126622213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14411.

The product of its digits is 1728, while the sum is 25.

The square root of 126622213 is about 11252.6535981519. The cubic root of 126622213 is about 502.1536608377.

Adding to 126622213 its reverse (312226621), we get a palindrome (438848834).

The spelling of 126622213 in words is "one hundred twenty-six million, six hundred twenty-two thousand, two hundred thirteen".