122320653 has 32 divisors (see below), whose sum is σ = 202008576. Its totient is φ = 64110528.

The previous prime is 122320643. The next prime is 122320657. The reversal of 122320653 is 356023221.

It is not a de Polignac number, because 122320653 - 2¹⁰ = 122319629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122320657) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44250 + ... + 46932.

It is an arithmetic number, because the mean of its divisors is an integer number (6312768).

Almost surely, 2^122320653 is an apocalyptic number.

122320653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

122320653 is a deficient number, since it is larger than the sum of its proper divisors (79687923).

122320653 is a wasteful number, since it uses less digits than its factorization.

122320653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 122320653 is about 11059.8667713495. The cubic root of 122320653 is about 496.4017039846.

Adding to 122320653 its reverse (356023221), we get a palindrome (478343874).

The spelling of 122320653 in words is "one hundred twenty-two million, three hundred twenty thousand, six hundred fifty-three".