122142015 has 24 divisors (see below), whose sum is σ = 218544768. Its totient is φ = 63040320.

The previous prime is 122141969. The next prime is 122142023. The reversal of 122142015 is 510241221.

It is not a de Polignac number, because 122142015 - 2⁸ = 122141759 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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42384 + ... + 45173.

It is an arithmetic number, because the mean of its divisors is an integer number (9106032).

Almost surely, 2^122142015 is an apocalyptic number.

122142015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122142015 is a deficient number, since it is larger than the sum of its proper divisors (96402753).

122142015 is a wasteful number, since it uses less digits than its factorization.

122142015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87599 (or 87596 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 122142015 is about 11051.7878644136. The cubic root of 122142015 is about 496.1599366617.

Adding to 122142015 its reverse (510241221), we get a palindrome (632383236).

It can be divided in two parts, 1221 and 42015, that multiplied together give a palindrome (51300315).

The spelling of 122142015 in words is "one hundred twenty-two million, one hundred forty-two thousand, fifteen".