1240875008 has 60 divisors (see below), whose sum is σ = 2530267740. Its totient is φ = 608305152.

The previous prime is 1240875007. The next prime is 1240875011. The reversal of 1240875008 is 8005780421.

It can be written as a sum of positive squares in 2 ways, for example, as 440664064 + 800210944 = 20992^2 + 28288^2 .

It is not an unprimeable number, because it can be changed into a prime (1240875007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867638 + ... + 869066.

It is an arithmetic number, because the mean of its divisors is an integer number (42171129).

Almost surely, 2^1240875008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1240875008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265133870).

1240875008 is an abundant number, since it is smaller than the sum of its proper divisors (1289392732).

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

1240875008 is an frugal number, since it uses more digits than its factorization.

1240875008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1484 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 1240875008 is about 35226.0558110044. The cubic root of 1240875008 is about 1074.5897141346.

The spelling of 1240875008 in words is "one billion, two hundred forty million, eight hundred seventy-five thousand, eight".