126929461 has 2 divisors, whose sum is σ = 126929462. Its totient is φ = 126929460.

The previous prime is 126929459. The next prime is 126929483. The reversal of 126929461 is 164929621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98903025 + 28026436 = 9945^2 + 5294^2 .

It is an emirp because it is prime and its reverse (164929621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126929461 - 2¹ = 126929459 is a prime.

It is a super-2 number, since 2×126929461² = 32222176139501042, which contains 22 as substring.

Together with 126929459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126929401) 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 as a sum of consecutive naturals, namely, 63464730 + 63464731.

It is an arithmetic number, because the mean of its divisors is an integer number (63464731).

Almost surely, 2^126929461 is an apocalyptic number.

It is an amenable number.

126929461 is a deficient number, since it is larger than the sum of its proper divisors (1).

126929461 is an equidigital number, since it uses as much as digits as its factorization.

126929461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 126929461 is about 11266.2975728497. The cubic root of 126929461 is about 502.5594903289.

The spelling of 126929461 in words is "one hundred twenty-six million, nine hundred twenty-nine thousand, four hundred sixty-one".