126500477 has 4 divisors (see below), whose sum is σ = 126819516. Its totient is φ = 126181440.

The previous prime is 126500467. The next prime is 126500497. The reversal of 126500477 is 774005621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104325796 + 22174681 = 10214^2 + 4709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126500477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126500467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158924 + ... + 159717.

It is an arithmetic number, because the mean of its divisors is an integer number (31704879).

Almost surely, 2^126500477 is an apocalyptic number.

It is an amenable number.

126500477 is a deficient number, since it is larger than the sum of its proper divisors (319039).

126500477 is an equidigital number, since it uses as much as digits as its factorization.

126500477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319038.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 126500477 is about 11247.2430844185. The cubic root of 126500477 is about 501.9926838719.

The spelling of 126500477 in words is "one hundred twenty-six million, five hundred thousand, four hundred seventy-seven".