122031320 has 16 divisors (see below), whose sum is σ = 274570560. Its totient is φ = 48812512.

The previous prime is 122031271. The next prime is 122031323. The reversal of 122031320 is 23130221.

It is a happy number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 122031295 and 122031304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122031323) 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, 1525352 + ... + 1525431.

It is an arithmetic number, because the mean of its divisors is an integer number (17160660).

Almost surely, 2^122031320 is an apocalyptic number.

122031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122031320 is an abundant number, since it is smaller than the sum of its proper divisors (152539240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122031320 is a wasteful number, since it uses less digits than its factorization.

122031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050794 (or 3050790 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 122031320 is about 11046.7787159878. The cubic root of 122031320 is about 496.0100045675.

Adding to 122031320 its reverse (23130221), we get a palindrome (145161541).

The spelling of 122031320 in words is "one hundred twenty-two million, thirty-one thousand, three hundred twenty".