122340398 has 16 divisors (see below), whose sum is σ = 194652720. Its totient is φ = 57469056.

The previous prime is 122340397. The next prime is 122340403. The reversal of 122340398 is 893043221.

It is a happy number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122340397) 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 7 ways as a sum of consecutive naturals, for example, 18140 + ... + 23952.

It is an arithmetic number, because the mean of its divisors is an integer number (12165795).

Almost surely, 2^122340398 is an apocalyptic number.

122340398 is a deficient number, since it is larger than the sum of its proper divisors (72312322).

122340398 is a wasteful number, since it uses less digits than its factorization.

122340398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 122340398 is about 11060.7593771856. The cubic root of 122340398 is about 496.4284122689.

The spelling of 122340398 in words is "one hundred twenty-two million, three hundred forty thousand, three hundred ninety-eight".