122070313 has 4 divisors (see below), whose sum is σ = 122460628. Its totient is φ = 121680000.

The previous prime is 122070283. The next prime is 122070323. The reversal of 122070313 is 313070221.

122070313 = 7812² + 7813².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313070221 = 6653 ⋅47057.

It can be written as a sum of positive squares in 2 ways, for example, as 61027344 + 61042969 = 7812^2 + 7813^2 .

It is a cyclic number.

It is not a de Polignac number, because 122070313 - 2¹³ = 122062121 is a prime.

It is a super-2 number, since 2×122070313² = 29802322631835938, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (122070323) 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, 194688 + ... + 195313.

It is an arithmetic number, because the mean of its divisors is an integer number (30615157).

Almost surely, 2^122070313 is an apocalyptic number.

122070313 is the 7813-rd centered square number.

It is an amenable number.

122070313 is a deficient number, since it is larger than the sum of its proper divisors (390315).

122070313 is an equidigital number, since it uses as much as digits as its factorization.

122070313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390314.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 122070313 is about 11048.5434786672. The cubic root of 122070313 is about 496.0628294174.

The spelling of 122070313 in words is "one hundred twenty-two million, seventy thousand, three hundred thirteen".