126105732477 has 12 divisors (see below), whose sum is σ = 186028315200. Its totient is φ = 82281754248.

The previous prime is 126105732469. The next prime is 126105732503. The reversal of 126105732477 is 774237501621.

126105732477 is a `hidden beast` number, since 1 + 2 + 6 + 1 + 0 + 573 + 2 + 4 + 77 = 666.

It is not a de Polignac number, because 126105732477 - 2³ = 126105732469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126105732407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149060727 + ... + 149061572.

It is an arithmetic number, because the mean of its divisors is an integer number (15502359600).

Almost surely, 2^126105732477 is an apocalyptic number.

It is an amenable number.

126105732477 is a deficient number, since it is larger than the sum of its proper divisors (59922582723).

126105732477 is a wasteful number, since it uses less digits than its factorization.

126105732477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298122352 (or 298122349 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 126105732477 in words is "one hundred twenty-six billion, one hundred five million, seven hundred thirty-two thousand, four hundred seventy-seven".