122710240 has 24 divisors (see below), whose sum is σ = 289903320. Its totient is φ = 49084032.

The previous prime is 122710219. The next prime is 122710249. The reversal of 122710240 is 42017221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122710249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383310 + ... + 383629.

It is an arithmetic number, because the mean of its divisors is an integer number (12079305).

Almost surely, 2^122710240 is an apocalyptic number.

122710240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122710240 is an abundant number, since it is smaller than the sum of its proper divisors (167193080).

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

122710240 is an equidigital number, since it uses as much as digits as its factorization.

122710240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766954 (or 766946 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 122710240 is about 11077.4654140737. The cubic root of 122710240 is about 496.9281528255.

Adding to 122710240 its reverse (42017221), we get a palindrome (164727461).

The spelling of 122710240 in words is "one hundred twenty-two million, seven hundred ten thousand, two hundred forty".