1241242540 has 48 divisors (see below), whose sum is σ = 2627100000. Its totient is φ = 492613632.

The previous prime is 1241242529. The next prime is 1241242553. The reversal of 1241242540 is 452421421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2487211 + ... + 2487709.

It is an arithmetic number, because the mean of its divisors is an integer number (54731250).

Almost surely, 2^1241242540 is an apocalyptic number.

1241242540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241242540 is an abundant number, since it is smaller than the sum of its proper divisors (1385857460).

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

1241242540 is a wasteful number, since it uses less digits than its factorization.

1241242540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1241242540 is about 35231.2721882137. The cubic root of 1241242540 is about 1074.6957971051.

Adding to 1241242540 its reverse (452421421), we get a palindrome (1693663961).

The spelling of 1241242540 in words is "one billion, two hundred forty-one million, two hundred forty-two thousand, five hundred forty".