122072147255 has 16 divisors (see below), whose sum is σ = 149223392640. Its totient is φ = 95838818592.

The previous prime is 122072147209. The next prime is 122072147261. The reversal of 122072147255 is 552741270221.

It is a cyclic number.

It is not a de Polignac number, because 122072147255 - 2¹⁴ = 122072130871 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179309 + ... + 525638.

It is an arithmetic number, because the mean of its divisors is an integer number (9326462040).

Almost surely, 2^122072147255 is an apocalyptic number.

122072147255 is a deficient number, since it is larger than the sum of its proper divisors (27151245385).

122072147255 is an equidigital number, since it uses as much as digits as its factorization.

122072147255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705598.

The product of its (nonzero) digits is 78400, while the sum is 38.

The spelling of 122072147255 in words is "one hundred twenty-two billion, seventy-two million, one hundred forty-seven thousand, two hundred fifty-five".