122553277807 has 2 divisors, whose sum is σ = 122553277808. Its totient is φ = 122553277806.

The previous prime is 122553277799. The next prime is 122553277837. The reversal of 122553277807 is 708772355221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122553277807 - 2³ = 122553277799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122553277837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61276638903 + 61276638904.

It is an arithmetic number, because the mean of its divisors is an integer number (61276638904).

Almost surely, 2^122553277807 is an apocalyptic number.

122553277807 is a deficient number, since it is larger than the sum of its proper divisors (1).

122553277807 is an equidigital number, since it uses as much as digits as its factorization.

122553277807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 122553277807 in words is "one hundred twenty-two billion, five hundred fifty-three million, two hundred seventy-seven thousand, eight hundred seven".