1241613540 has 72 divisors (see below), whose sum is σ = 3896114040. Its totient is φ = 319678464.

The previous prime is 1241613487. The next prime is 1241613587. The reversal of 1241613540 is 453161421.

It is a happy number.

1241613540 is a `hidden beast` number, since 1 + 2 + 4 + 1 + 613 + 5 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 53846244 + 1187767296 = 7338^2 + 34464^2 .

It is a super-2 number, since 2×1241613540² = 3083208365422663200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113709 + ... + 124148.

It is an arithmetic number, because the mean of its divisors is an integer number (54112695).

Almost surely, 2^1241613540 is an apocalyptic number.

1241613540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241613540 is an abundant number, since it is smaller than the sum of its proper divisors (2654500500).

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

1241613540 is a wasteful number, since it uses less digits than its factorization.

1241613540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237901 (or 237896 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1241613540 is about 35236.5370035138. The cubic root of 1241613540 is about 1074.8028598292.

Adding to 1241613540 its reverse (453161421), we get a palindrome (1694774961).

The spelling of 1241613540 in words is "one billion, two hundred forty-one million, six hundred thirteen thousand, five hundred forty".