122310197 has 8 divisors (see below), whose sum is σ = 129948600. Its totient is φ = 114899904.

The previous prime is 122310193. The next prime is 122310217. The reversal of 122310197 is 791013221.

It can be written as a sum of positive squares in 4 ways, for example, as 75099556 + 47210641 = 8666^2 + 6871^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 122310197 - 2² = 122310193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122310193) 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, 55922 + ... + 58067.

It is an arithmetic number, because the mean of its divisors is an integer number (16243575).

Almost surely, 2^122310197 is an apocalyptic number.

It is an amenable number.

122310197 is a deficient number, since it is larger than the sum of its proper divisors (7638403).

122310197 is a wasteful number, since it uses less digits than its factorization.

122310197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114055.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 122310197 is about 11059.3940611590. The cubic root of 122310197 is about 496.3875594010.

The spelling of 122310197 in words is "one hundred twenty-two million, three hundred ten thousand, one hundred ninety-seven".