126622163 has 4 divisors (see below), whose sum is σ = 127021920. Its totient is φ = 126222408.

The previous prime is 126622157. The next prime is 126622187. The reversal of 126622163 is 361226621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361226621 = 7 ⋅51603803.

It is a cyclic number.

It is not a de Polignac number, because 126622163 - 2⁴ = 126622147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126622193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199403 + ... + 200036.

It is an arithmetic number, because the mean of its divisors is an integer number (31755480).

Almost surely, 2^126622163 is an apocalyptic number.

126622163 is a deficient number, since it is larger than the sum of its proper divisors (399757).

126622163 is an equidigital number, since it uses as much as digits as its factorization.

126622163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399756.

The product of its digits is 5184, while the sum is 29.

The square root of 126622163 is about 11252.6513764535. The cubic root of 126622163 is about 502.1535947416.

Adding to 126622163 its reverse (361226621), we get a palindrome (487848784).

The spelling of 126622163 in words is "one hundred twenty-six million, six hundred twenty-two thousand, one hundred sixty-three".