126722786090 has 32 divisors (see below), whose sum is σ = 229477981824. Its totient is φ = 50383408320.

The previous prime is 126722786087. The next prime is 126722786143. The reversal of 126722786090 is 90687227621.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3760697 + ... + 3794243.

It is an arithmetic number, because the mean of its divisors is an integer number (7171186932).

Almost surely, 2^126722786090 is an apocalyptic number.

126722786090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126722786090 is a deficient number, since it is larger than the sum of its proper divisors (102755195734).

126722786090 is a wasteful number, since it uses less digits than its factorization.

126722786090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35822.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 126722786090 in words is "one hundred twenty-six billion, seven hundred twenty-two million, seven hundred eighty-six thousand, ninety".