122871777373 has 4 divisors (see below), whose sum is σ = 122917782208. Its totient is φ = 122825772540.

The previous prime is 122871777367. The next prime is 122871777397. The reversal of 122871777373 is 373777178221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 373777178221 = 5507 ⋅67873103.

It is a cyclic number.

It is not a de Polignac number, because 122871777373 - 2⁵ = 122871777341 is a prime.

It is a super-2 number, since 2×122871777373² (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 (122371777373) 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, 22998411 + ... + 23003752.

It is an arithmetic number, because the mean of its divisors is an integer number (30729445552).

Almost surely, 2^122871777373 is an apocalyptic number.

It is an amenable number.

122871777373 is a deficient number, since it is larger than the sum of its proper divisors (46004835).

122871777373 is an equidigital number, since it uses as much as digits as its factorization.

122871777373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46004834.

The product of its digits is 4840416, while the sum is 55.

The spelling of 122871777373 in words is "one hundred twenty-two billion, eight hundred seventy-one million, seven hundred seventy-seven thousand, three hundred seventy-three".