122440502015 has 16 divisors (see below), whose sum is σ = 158861225376. Its totient is φ = 90057360000.

The previous prime is 122440502011. The next prime is 122440502017. The reversal of 122440502015 is 510205044221.

It is not a de Polignac number, because 122440502015 - 2² = 122440502011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122440502011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3736076 + ... + 3768705.

It is an arithmetic number, because the mean of its divisors is an integer number (9928826586).

Almost surely, 2^122440502015 is an apocalyptic number.

122440502015 is a deficient number, since it is larger than the sum of its proper divisors (36420723361).

122440502015 is a wasteful number, since it uses less digits than its factorization.

122440502015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7505050.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 122440502015 its reverse (510205044221), we get a palindrome (632645546236).

The spelling of 122440502015 in words is "one hundred twenty-two billion, four hundred forty million, five hundred two thousand, fifteen".