122130031 has 4 divisors (see below), whose sum is σ = 123250600. Its totient is φ = 121009464.

The previous prime is 122129963. The next prime is 122130037. The reversal of 122130031 is 130031221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122130031 - 2⁹ = 122129519 is a prime.

It is a super-2 number, since 2×122130031² = 29831488944121922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122129993 and 122130020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122130037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560121 + ... + 560338.

It is an arithmetic number, because the mean of its divisors is an integer number (30812650).

Almost surely, 2^122130031 is an apocalyptic number.

122130031 is a deficient number, since it is larger than the sum of its proper divisors (1120569).

122130031 is a wasteful number, since it uses less digits than its factorization.

122130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120568.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 122130031 is about 11051.2456763932. The cubic root of 122130031 is about 496.1437091712.

Adding to 122130031 its reverse (130031221), we get a palindrome (252161252).

The spelling of 122130031 in words is "one hundred twenty-two million, one hundred thirty thousand, thirty-one".