122982815 has 8 divisors (see below), whose sum is σ = 147847680. Its totient is φ = 98207392.

The previous prime is 122982809. The next prime is 122982829. The reversal of 122982815 is 518289221.

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 122982815 - 2¹² = 122978719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19295 + ... + 24864.

It is an arithmetic number, because the mean of its divisors is an integer number (18480960).

Almost surely, 2^122982815 is an apocalyptic number.

122982815 is a deficient number, since it is larger than the sum of its proper divisors (24864865).

122982815 is an equidigital number, since it uses as much as digits as its factorization.

122982815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44721.

The product of its digits is 23040, while the sum is 38.

The square root of 122982815 is about 11089.7617197125. The cubic root of 122982815 is about 497.2958212001.

The spelling of 122982815 in words is "one hundred twenty-two million, nine hundred eighty-two thousand, eight hundred fifteen".