122525313015 has 128 divisors (see below), whose sum is σ = 237987072000. Its totient is φ = 52582680576.

The previous prime is 122525312989. The next prime is 122525313037. The reversal of 122525313015 is 510313525221.

It is not a de Polignac number, because 122525313015 - 2⁶ = 122525312951 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 122893497 + ... + 122894493.

It is an arithmetic number, because the mean of its divisors is an integer number (1859274000).

Almost surely, 2^122525313015 is an apocalyptic number.

122525313015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122525313015 is a deficient number, since it is larger than the sum of its proper divisors (115461758985).

122525313015 is a wasteful number, since it uses less digits than its factorization.

122525313015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 122525313015 its reverse (510313525221), we get a palindrome (632838838236).

The spelling of 122525313015 in words is "one hundred twenty-two billion, five hundred twenty-five million, three hundred thirteen thousand, fifteen".