122031197 has 4 divisors (see below), whose sum is σ = 122071776. Its totient is φ = 121990620.

The previous prime is 122031163. The next prime is 122031199. The reversal of 122031197 is 791130221.

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.

It is a cyclic number.

It is not a de Polignac number, because 122031197 - 2²⁰ = 120982621 is a prime.

It is a super-2 number, since 2×122031197² = 29783226082505618, which 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 (122031199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15383 + ... + 21924.

It is an arithmetic number, because the mean of its divisors is an integer number (30517944).

Almost surely, 2^122031197 is an apocalyptic number.

It is an amenable number.

122031197 is a deficient number, since it is larger than the sum of its proper divisors (40579).

122031197 is an equidigital number, since it uses as much as digits as its factorization.

122031197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40578.

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

The square root of 122031197 is about 11046.7731487525. The cubic root of 122031197 is about 496.0098379184.

The spelling of 122031197 in words is "one hundred twenty-two million, thirty-one thousand, one hundred ninety-seven".