122072474727 has 24 divisors (see below), whose sum is σ = 201525945504. Its totient is φ = 69752418624.

The previous prime is 122072474683. The next prime is 122072474747. The reversal of 122072474727 is 727474270221.

It is not a de Polignac number, because 122072474727 - 2²² = 122068280423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122072474747) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2099013 + ... + 2156385.

It is an arithmetic number, because the mean of its divisors is an integer number (8396914396).

Almost surely, 2^122072474727 is an apocalyptic number.

122072474727 is a deficient number, since it is larger than the sum of its proper divisors (79453470777).

122072474727 is a wasteful number, since it uses less digits than its factorization.

122072474727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91159 (or 91156 counting only the distinct ones).

The product of its (nonzero) digits is 614656, while the sum is 45.

The spelling of 122072474727 in words is "one hundred twenty-two billion, seventy-two million, four hundred seventy-four thousand, seven hundred twenty-seven".