126332197 has 4 divisors (see below), whose sum is σ = 132981280. Its totient is φ = 119683116.

The previous prime is 126332191. The next prime is 126332279. The reversal of 126332197 is 791233621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 791233621 = 41 ⋅19298381.

It is a cyclic number.

It is not a de Polignac number, because 126332197 - 2⁷ = 126332069 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 (126332191) 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, 3324513 + ... + 3324550.

It is an arithmetic number, because the mean of its divisors is an integer number (33245320).

Almost surely, 2^126332197 is an apocalyptic number.

It is an amenable number.

126332197 is a deficient number, since it is larger than the sum of its proper divisors (6649083).

126332197 is an equidigital number, since it uses as much as digits as its factorization.

126332197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6649082.

The product of its digits is 13608, while the sum is 34.

The square root of 126332197 is about 11239.7596504552. The cubic root of 126332197 is about 501.7699895472.

The spelling of 126332197 in words is "one hundred twenty-six million, three hundred thirty-two thousand, one hundred ninety-seven".