122175313 has 4 divisors (see below), whose sum is σ = 131573428. Its totient is φ = 112777200.

The previous prime is 122175307. The next prime is 122175323. The reversal of 122175313 is 313571221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313571221 = 97 ⋅3232693.

It can be written as a sum of positive squares in 2 ways, for example, as 32626944 + 89548369 = 5712^2 + 9463^2 .

It is a cyclic number.

It is not a de Polignac number, because 122175313 - 2⁵ = 122175281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122175323) 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, 4699038 + ... + 4699063.

It is an arithmetic number, because the mean of its divisors is an integer number (32893357).

Almost surely, 2^122175313 is an apocalyptic number.

122175313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122175313 is a deficient number, since it is larger than the sum of its proper divisors (9398115).

122175313 is an equidigital number, since it uses as much as digits as its factorization.

122175313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9398114.

The product of its digits is 1260, while the sum is 25.

The square root of 122175313 is about 11053.2942148483. The cubic root of 122175313 is about 496.2050197902.

The spelling of 122175313 in words is "one hundred twenty-two million, one hundred seventy-five thousand, three hundred thirteen".