122941772927 has 4 divisors (see below), whose sum is σ = 123677951376. Its totient is φ = 122205594480.

The previous prime is 122941772801. The next prime is 122941772939. The reversal of 122941772927 is 729277149221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122941772927 - 2¹⁶ = 122941707391 is a prime.

It is a super-2 number, since 2×122941772927² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122941772627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368088974 + ... + 368089307.

It is an arithmetic number, because the mean of its divisors is an integer number (30919487844).

Almost surely, 2^122941772927 is an apocalyptic number.

122941772927 is a deficient number, since it is larger than the sum of its proper divisors (736178449).

122941772927 is an equidigital number, since it uses as much as digits as its factorization.

122941772927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736178448.

The product of its digits is 1778112, while the sum is 53.

The spelling of 122941772927 in words is "one hundred twenty-two billion, nine hundred forty-one million, seven hundred seventy-two thousand, nine hundred twenty-seven".