122143620 has 48 divisors (see below), whose sum is σ = 343461888. Its totient is φ = 32432640.

The previous prime is 122143597. The next prime is 122143631. The reversal of 122143620 is 26341221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10237 + ... + 18683.

It is an arithmetic number, because the mean of its divisors is an integer number (7155456).

Almost surely, 2^122143620 is an apocalyptic number.

122143620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122143620 is an abundant number, since it is smaller than the sum of its proper divisors (221318268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122143620 is a wasteful number, since it uses less digits than its factorization.

122143620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700 (or 8698 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 122143620 is about 11051.8604768609. The cubic root of 122143620 is about 496.1621099057.

Adding to 122143620 its reverse (26341221), we get a palindrome (148484841).

The spelling of 122143620 in words is "one hundred twenty-two million, one hundred forty-three thousand, six hundred twenty".