122104240 has 40 divisors (see below), whose sum is σ = 296239968. Its totient is φ = 46717440.

The previous prime is 122104237. The next prime is 122104247. The reversal of 122104240 is 42401221.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (122104247) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31341 + ... + 35020.

Almost surely, 2^122104240 is an apocalyptic number.

122104240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122104240 is an abundant number, since it is smaller than the sum of its proper divisors (174135728).

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

122104240 is a wasteful number, since it uses less digits than its factorization.

122104240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66397 (or 66391 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 122104240 is about 11050.0787327512. The cubic root of 122104240 is about 496.1087820716.

Adding to 122104240 its reverse (42401221), we get a palindrome (164505461).

It can be divided in two parts, 12210 and 4240, that multiplied together give a triangular number (51770400 = T₁₀₁₇₅).

The spelling of 122104240 in words is "one hundred twenty-two million, one hundred four thousand, two hundred forty".