1241534540 has 24 divisors (see below), whose sum is σ = 2656417680. Its totient is φ = 487243328.

The previous prime is 1241534507. The next prime is 1241534543. The reversal of 1241534540 is 454351421.

It is not an unprimeable number, because it can be changed into a prime (1241534543) 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, 584570 + ... + 586689.

It is an arithmetic number, because the mean of its divisors is an integer number (110684070).

Almost surely, 2^1241534540 is an apocalyptic number.

1241534540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241534540 is an abundant number, since it is smaller than the sum of its proper divisors (1414883140).

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

1241534540 is a wasteful number, since it uses less digits than its factorization.

1241534540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171321 (or 1171319 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1241534540 is about 35235.4159901653. The cubic root of 1241534540 is about 1074.7800638936.

Adding to 1241534540 its reverse (454351421), we get a palindrome (1695885961).

The spelling of 1241534540 in words is "one billion, two hundred forty-one million, five hundred thirty-four thousand, five hundred forty".