126162045461 has 2 divisors, whose sum is σ = 126162045462. Its totient is φ = 126162045460.

The previous prime is 126162045437. The next prime is 126162045479. The reversal of 126162045461 is 164540261621.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83604831025 + 42557214436 = 289145^2 + 206294^2 .

It is an emirp because it is prime and its reverse (164540261621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126162045461 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126162045661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63081022730 + 63081022731.

It is an arithmetic number, because the mean of its divisors is an integer number (63081022731).

Almost surely, 2^126162045461 is an apocalyptic number.

It is an amenable number.

126162045461 is a deficient number, since it is larger than the sum of its proper divisors (1).

126162045461 is an equidigital number, since it uses as much as digits as its factorization.

126162045461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 126162045461 in words is "one hundred twenty-six billion, one hundred sixty-two million, forty-five thousand, four hundred sixty-one".