126530461 has 2 divisors, whose sum is σ = 126530462. Its totient is φ = 126530460.

The previous prime is 126530441. The next prime is 126530483. The reversal of 126530461 is 164035621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77264100 + 49266361 = 8790^2 + 7019^2 .

It is an emirp because it is prime and its reverse (164035621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126530461 is a prime.

It is equal to p_7192261 and since 126530461 and 7192261 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126530401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63265230 + 63265231.

It is an arithmetic number, because the mean of its divisors is an integer number (63265231).

Almost surely, 2^126530461 is an apocalyptic number.

It is an amenable number.

126530461 is a deficient number, since it is larger than the sum of its proper divisors (1).

126530461 is an equidigital number, since it uses as much as digits as its factorization.

126530461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 126530461 is about 11248.5759543153. The cubic root of 126530461 is about 502.0323426409.

The spelling of 126530461 in words is "one hundred twenty-six million, five hundred thirty thousand, four hundred sixty-one".