126916197 has 16 divisors (see below), whose sum is σ = 173822208. Its totient is φ = 82321920.

The previous prime is 126916189. The next prime is 126916199. The reversal of 126916197 is 791619621.

It is not a de Polignac number, because 126916197 - 2³ = 126916189 is a prime.

It is a super-2 number, since 2×126916197² = 32215442121885618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126916199) 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 15 ways as a sum of consecutive naturals, for example, 52068 + ... + 54450.

It is an arithmetic number, because the mean of its divisors is an integer number (10863888).

Almost surely, 2^126916197 is an apocalyptic number.

It is an amenable number.

126916197 is a deficient number, since it is larger than the sum of its proper divisors (46906011).

126916197 is a wasteful number, since it uses less digits than its factorization.

126916197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860.

The product of its digits is 40824, while the sum is 42.

The square root of 126916197 is about 11265.7088991328. The cubic root of 126916197 is about 502.5419840667.

The spelling of 126916197 in words is "one hundred twenty-six million, nine hundred sixteen thousand, one hundred ninety-seven".