122140020 has 24 divisors (see below), whose sum is σ = 341992224. Its totient is φ = 32570656.

The previous prime is 122140009. The next prime is 122140033. The reversal of 122140020 is 20041221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 122139978 and 122140005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017774 + ... + 1017893.

It is an arithmetic number, because the mean of its divisors is an integer number (14249676).

Almost surely, 2^122140020 is an apocalyptic number.

122140020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122140020 is an abundant number, since it is smaller than the sum of its proper divisors (219852204).

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

122140020 is a wasteful number, since it uses less digits than its factorization.

122140020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035679 (or 2035677 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 122140020 is about 11051.6976071552. The cubic root of 122140020 is about 496.1572353131.

Adding to 122140020 its reverse (20041221), we get a palindrome (142181241).

The spelling of 122140020 in words is "one hundred twenty-two million, one hundred forty thousand, twenty".