122711397 has 8 divisors (see below), whose sum is σ = 163666944. Its totient is φ = 81781728.

The previous prime is 122711387. The next prime is 122711429. The reversal of 122711397 is 793117221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122711397 - 2¹⁵ = 122678629 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122711317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12793 + ... + 20225.

It is an arithmetic number, because the mean of its divisors is an integer number (20458368).

Almost surely, 2^122711397 is an apocalyptic number.

It is an amenable number.

122711397 is a deficient number, since it is larger than the sum of its proper divisors (40955547).

122711397 is an equidigital number, since it uses as much as digits as its factorization.

122711397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12939.

The product of its digits is 5292, while the sum is 33.

The square root of 122711397 is about 11077.5176370882. The cubic root of 122711397 is about 496.9297146187.

The spelling of 122711397 in words is "one hundred twenty-two million, seven hundred eleven thousand, three hundred ninety-seven".