126771970850 has 48 divisors (see below), whose sum is σ = 269509583616. Its totient is φ = 43460064000.

The previous prime is 126771970771. The next prime is 126771970873. The reversal of 126771970850 is 58079177621.

It is a super-2 number, since 2×126771970850² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126771970792 and 126771970801.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5785415 + ... + 5807285.

It is an arithmetic number, because the mean of its divisors is an integer number (5614782992).

Almost surely, 2^126771970850 is an apocalyptic number.

126771970850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126771970850 is an abundant number, since it is smaller than the sum of its proper divisors (142737612766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126771970850 is a wasteful number, since it uses less digits than its factorization.

126771970850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38451 (or 38446 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 53.

The spelling of 126771970850 in words is "one hundred twenty-six billion, seven hundred seventy-one million, nine hundred seventy thousand, eight hundred fifty".