122742267455 has 8 divisors (see below), whose sum is σ = 147322789152. Its totient is φ = 98172435168.

The previous prime is 122742267451. The next prime is 122742267503. The reversal of 122742267455 is 554762247221.

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 122742267455 - 2² = 122742267451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122742267451) 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, 2647067 + ... + 2693036.

It is an arithmetic number, because the mean of its divisors is an integer number (18415348644).

Almost surely, 2^122742267455 is an apocalyptic number.

122742267455 is a deficient number, since it is larger than the sum of its proper divisors (24580521697).

122742267455 is an equidigital number, since it uses as much as digits as its factorization.

122742267455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344705.

The product of its digits is 1881600, while the sum is 47.

The spelling of 122742267455 in words is "one hundred twenty-two billion, seven hundred forty-two million, two hundred sixty-seven thousand, four hundred fifty-five".