122752771 has 4 divisors (see below), whose sum is σ = 128089872. Its totient is φ = 117415672.

The previous prime is 122752769. The next prime is 122752781. The reversal of 122752771 is 177257221.

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 122752771 - 2¹ = 122752769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122752781) 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, 2668516 + ... + 2668561.

It is an arithmetic number, because the mean of its divisors is an integer number (32022468).

Almost surely, 2^122752771 is an apocalyptic number.

122752771 is a deficient number, since it is larger than the sum of its proper divisors (5337101).

122752771 is an equidigital number, since it uses as much as digits as its factorization.

122752771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5337100.

The product of its digits is 13720, while the sum is 34.

The square root of 122752771 is about 11079.3849558538. The cubic root of 122752771 is about 496.9855574615.

The spelling of 122752771 in words is "one hundred twenty-two million, seven hundred fifty-two thousand, seven hundred seventy-one".