122756994047 has 16 divisors (see below), whose sum is σ = 126986117472. Its totient is φ = 118600035840.

The previous prime is 122756994043. The next prime is 122756994091. The reversal of 122756994047 is 740499657221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122756994047 - 2² = 122756994043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122756993983 and 122756994001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122756994043) 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, 14402147 + ... + 14410667.

It is an arithmetic number, because the mean of its divisors is an integer number (7936632342).

Almost surely, 2^122756994047 is an apocalyptic number.

122756994047 is a deficient number, since it is larger than the sum of its proper divisors (4229123425).

122756994047 is an equidigital number, since it uses as much as digits as its factorization.

122756994047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12698.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 122756994047 in words is "one hundred twenty-two billion, seven hundred fifty-six million, nine hundred ninety-four thousand, forty-seven".