122540322 has 8 divisors (see below), whose sum is σ = 245080656. Its totient is φ = 40846772.

The previous prime is 122540317. The next prime is 122540323. The reversal of 122540322 is 223045221.

It is a sphenic number, since it is the product of 3 distinct primes.

122540322 is an admirable number.

It is a super-2 number, since 2×122540322² = 30032261031727368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122540323) 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 3 ways as a sum of consecutive naturals, for example, 10211688 + ... + 10211699.

It is an arithmetic number, because the mean of its divisors is an integer number (30635082).

Almost surely, 2^122540322 is an apocalyptic number.

122540322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122540322 is a wasteful number, since it uses less digits than its factorization.

122540322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20423392.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 122540322 is about 11069.7932230011. The cubic root of 122540322 is about 496.6986798778.

Adding to 122540322 its reverse (223045221), we get a palindrome (345585543).

The spelling of 122540322 in words is "one hundred twenty-two million, five hundred forty thousand, three hundred twenty-two".