126930846197 has 2 divisors, whose sum is σ = 126930846198. Its totient is φ = 126930846196.

The previous prime is 126930846191. The next prime is 126930846221. The reversal of 126930846197 is 791648039621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111872856676 + 15057989521 = 334474^2 + 122711^2 .

It is an emirp because it is prime and its reverse (791648039621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126930846197 - 2²² = 126926651893 is a prime.

It is a super-2 number, since 2×126930846197² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126930846191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63465423098 + 63465423099.

It is an arithmetic number, because the mean of its divisors is an integer number (63465423099).

Almost surely, 2^126930846197 is an apocalyptic number.

It is an amenable number.

126930846197 is a deficient number, since it is larger than the sum of its proper divisors (1).

126930846197 is an equidigital number, since it uses as much as digits as its factorization.

126930846197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 56.

The spelling of 126930846197 in words is "one hundred twenty-six billion, nine hundred thirty million, eight hundred forty-six thousand, one hundred ninety-seven".