122200040 has 32 divisors (see below), whose sum is σ = 275616000. Its totient is φ = 48761664.

The previous prime is 122200031. The next prime is 122200051. The reversal of 122200040 is 40002221.

It is a junction number, because it is equal to n+sod(n) for n = 122199994 and 122200030.

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, 14081 + ... + 21039.

It is an arithmetic number, because the mean of its divisors is an integer number (8613000).

Almost surely, 2^122200040 is an apocalyptic number.

122200040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122200040 is an abundant number, since it is smaller than the sum of its proper divisors (153415960).

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

122200040 is a wasteful number, since it uses less digits than its factorization.

122200040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7409 (or 7405 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 122200040 is about 11054.4126935808. The cubic root of 122200040 is about 496.2384930933.

Adding to 122200040 its reverse (40002221), we get a palindrome (162202261).

The spelling of 122200040 in words is "one hundred twenty-two million, two hundred thousand, forty".