122543315 has 8 divisors (see below), whose sum is σ = 147146640. Its totient is φ = 97971552.

The previous prime is 122543303. The next prime is 122543347. The reversal of 122543315 is 513345221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122543315 - 2¹⁶ = 122477779 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1721 + ... + 15749.

It is an arithmetic number, because the mean of its divisors is an integer number (18393330).

Almost surely, 2^122543315 is an apocalyptic number.

122543315 is a deficient number, since it is larger than the sum of its proper divisors (24603325).

122543315 is a wasteful number, since it uses less digits than its factorization.

122543315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15781.

The product of its digits is 3600, while the sum is 26.

The square root of 122543315 is about 11069.9284098859. The cubic root of 122543315 is about 496.7027237359.

Adding to 122543315 its reverse (513345221), we get a palindrome (635888536).

The spelling of 122543315 in words is "one hundred twenty-two million, five hundred forty-three thousand, three hundred fifteen".