1241412540 has 24 divisors (see below), whose sum is σ = 3475955280. Its totient is φ = 331043328.

The previous prime is 1241412533. The next prime is 1241412553. The reversal of 1241412540 is 452141421.

It is a super-2 number, since 2×1241412540² = 3082210188938503200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1241412540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10345045 + ... + 10345164.

It is an arithmetic number, because the mean of its divisors is an integer number (144831470).

Almost surely, 2^1241412540 is an apocalyptic number.

1241412540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241412540 is an abundant number, since it is smaller than the sum of its proper divisors (2234542740).

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

1241412540 is a wasteful number, since it uses less digits than its factorization.

1241412540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20690221 (or 20690219 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1241412540 is about 35233.6847349238. The cubic root of 1241412540 is about 1074.7448581439.

Adding to 1241412540 its reverse (452141421), we get a palindrome (1693553961).

The spelling of 1241412540 in words is "one billion, two hundred forty-one million, four hundred twelve thousand, five hundred forty".