122401015 has 8 divisors (see below), whose sum is σ = 160234128. Its totient is φ = 89018880.

The previous prime is 122401007. The next prime is 122401039. The reversal of 122401015 is 510104221.

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

It is not a de Polignac number, because 122401015 - 2³ = 122401007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122401015.

It is a congruent number.

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, 1112682 + ... + 1112791.

It is an arithmetic number, because the mean of its divisors is an integer number (20029266).

Almost surely, 2^122401015 is an apocalyptic number.

122401015 is a deficient number, since it is larger than the sum of its proper divisors (37833113).

122401015 is a wasteful number, since it uses less digits than its factorization.

122401015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2225489.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 122401015 is about 11063.4992204094. The cubic root of 122401015 is about 496.5103885497.

Adding to 122401015 its reverse (510104221), we get a palindrome (632505236).

The spelling of 122401015 in words is "one hundred twenty-two million, four hundred one thousand, fifteen".