126463727205 has 48 divisors (see below), whose sum is σ = 222624589824. Its totient is φ = 66402063360.

The previous prime is 126463727161. The next prime is 126463727207. The reversal of 126463727205 is 502727364621.

126463727205 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 637 + 2 + 7 + 2 + 0 + 5 = 666.

It is not a de Polignac number, because 126463727205 - 2²⁵ = 126430172773 is a prime.

It is a super-2 number, since 2×126463727205² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126463727207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 757872 + ... + 909558.

It is an arithmetic number, because the mean of its divisors is an integer number (4638012288).

Almost surely, 2^126463727205 is an apocalyptic number.

126463727205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126463727205 is a deficient number, since it is larger than the sum of its proper divisors (96160862619).

126463727205 is a wasteful number, since it uses less digits than its factorization.

126463727205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151986 (or 151983 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 126463727205 in words is "one hundred twenty-six billion, four hundred sixty-three million, seven hundred twenty-seven thousand, two hundred five".