126422197 has 8 divisors (see below), whose sum is σ = 139577760. Its totient is φ = 113543760.

The previous prime is 126422171. The next prime is 126422221. The reversal of 126422197 is 791224621.

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-126422197 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 (126422117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68322 + ... + 70147.

It is an arithmetic number, because the mean of its divisors is an integer number (17447220).

Almost surely, 2^126422197 is an apocalyptic number.

It is an amenable number.

126422197 is a deficient number, since it is larger than the sum of its proper divisors (13155563).

126422197 is a wasteful number, since it uses less digits than its factorization.

126422197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138563.

The product of its digits is 12096, while the sum is 34.

The square root of 126422197 is about 11243.7625819830. The cubic root of 126422197 is about 501.8891161579.

The spelling of 126422197 in words is "one hundred twenty-six million, four hundred twenty-two thousand, one hundred ninety-seven".