126722786089 has 8 divisors (see below), whose sum is σ = 129071891808. Its totient is φ = 124387142880.

The previous prime is 126722786087. The next prime is 126722786143. The reversal of 126722786089 is 980687227621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126722786089 - 2¹ = 126722786087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126722786087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3346627 + ... + 3384280.

It is an arithmetic number, because the mean of its divisors is an integer number (16133986476).

Almost surely, 2^126722786089 is an apocalyptic number.

It is an amenable number.

126722786089 is a deficient number, since it is larger than the sum of its proper divisors (2349105719).

126722786089 is an equidigital number, since it uses as much as digits as its factorization.

126722786089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731255.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 126722786089 in words is "one hundred twenty-six billion, seven hundred twenty-two million, seven hundred eighty-six thousand, eighty-nine".