122147767077 has 64 divisors (see below), whose sum is σ = 191222169600. Its totient is φ = 69325200000.

The previous prime is 122147767013. The next prime is 122147767123. The reversal of 122147767077 is 770767741221.

It is not a de Polignac number, because 122147767077 - 2⁶ = 122147767013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122147717077) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 162646452 + ... + 162647202.

It is an arithmetic number, because the mean of its divisors is an integer number (2987846400).

Almost surely, 2^122147767077 is an apocalyptic number.

It is an amenable number.

122147767077 is a deficient number, since it is larger than the sum of its proper divisors (69074402523).

122147767077 is an equidigital number, since it uses as much as digits as its factorization.

122147767077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 1613472, while the sum is 51.

The spelling of 122147767077 in words is "one hundred twenty-two billion, one hundred forty-seven million, seven hundred sixty-seven thousand, seventy-seven".