126129790208793 has 16 divisors (see below), whose sum is σ = 192400729943040. Its totient is φ = 71998057938576.

The previous prime is 126129790208771. The next prime is 126129790208809. The reversal of 126129790208793 is 397802097921621.

It is a happy number.

It is not a de Polignac number, because 126129790208793 - 2¹² = 126129790204697 is a prime.

It is a super-2 number, since 2×126129790208793² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126129790208293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3171141933 + ... + 3171181706.

It is an arithmetic number, because the mean of its divisors is an integer number (12025045621440).

Almost surely, 2^{126129790208793} is an apocalyptic number.

It is an amenable number.

126129790208793 is a deficient number, since it is larger than the sum of its proper divisors (66270939734247).

126129790208793 is an equidigital number, since it uses as much as digits as its factorization.

126129790208793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6342324596.

The product of its (nonzero) digits is 41150592, while the sum is 66.

The spelling of 126129790208793 in words is "one hundred twenty-six trillion, one hundred twenty-nine billion, seven hundred ninety million, two hundred eight thousand, seven hundred ninety-three".