122319993 has 16 divisors (see below), whose sum is σ = 167270400. Its totient is φ = 79467024.

The previous prime is 122319979. The next prime is 122320027. The reversal of 122319993 is 399913221.

It is not a de Polignac number, because 122319993 - 2⁹ = 122319481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122319943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76480 + ... + 78062.

It is an arithmetic number, because the mean of its divisors is an integer number (10454400).

Almost surely, 2^122319993 is an apocalyptic number.

It is an amenable number.

122319993 is a deficient number, since it is larger than the sum of its proper divisors (44950407).

122319993 is a wasteful number, since it uses less digits than its factorization.

122319993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228.

The product of its digits is 26244, while the sum is 39.

The square root of 122319993 is about 11059.8369336984. The cubic root of 122319993 is about 496.4008111790.

The spelling of 122319993 in words is "one hundred twenty-two million, three hundred nineteen thousand, nine hundred ninety-three".