1241354240 has 156 divisors (see below), whose sum is σ = 3468036636. Its totient is φ = 425263104.

The previous prime is 1241354237. The next prime is 1241354243. The reversal of 1241354240 is 424531421.

It is an interprime number because it is at equal distance from previous prime (1241354237) and next prime (1241354243).

It can be written as a sum of positive squares in 2 ways, for example, as 698650624 + 542703616 = 26432^2 + 23296^2 .

It is not an unprimeable number, because it can be changed into a prime (1241354243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1002902 + ... + 1004138.

Almost surely, 2^1241354240 is an apocalyptic number.

1241354240 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 1241354240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1734018318).

1241354240 is an abundant number, since it is smaller than the sum of its proper divisors (2226682396).

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

1241354240 is an equidigital number, since it uses as much as digits as its factorization.

1241354240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1251 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1241354240 is about 35232.8573919289. The cubic root of 1241354240 is about 1074.7280335982.

Adding to 1241354240 its reverse (424531421), we get a palindrome (1665885661).

The spelling of 1241354240 in words is "one billion, two hundred forty-one million, three hundred fifty-four thousand, two hundred forty".