122510240 has 48 divisors (see below), whose sum is σ = 291333672. Its totient is φ = 48681984.

The previous prime is 122510231. The next prime is 122510243. The reversal of 122510240 is 42015221.

It can be written as a sum of positive squares in 4 ways, for example, as 73342096 + 49168144 = 8564^2 + 7012^2 .

It is not an unprimeable number, because it can be changed into a prime (122510243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22682 + ... + 27558.

Almost surely, 2^122510240 is an apocalyptic number.

122510240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122510240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145666836).

122510240 is an abundant number, since it is smaller than the sum of its proper divisors (168823432).

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

122510240 is a wasteful number, since it uses less digits than its factorization.

122510240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049 (or 5041 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 122510240 is about 11068.4343969687. The cubic root of 122510240 is about 496.6580322709.

Adding to 122510240 its reverse (42015221), we get a palindrome (164525461).

The spelling of 122510240 in words is "one hundred twenty-two million, five hundred ten thousand, two hundred forty".