1241303513 has 8 divisors (see below), whose sum is σ = 1266253128. Its totient is φ = 1216410624.

The previous prime is 1241303477. The next prime is 1241303521. The reversal of 1241303513 is 3153031421.

It can be written as a sum of positive squares in 4 ways, for example, as 3108169 + 1238195344 = 1763^2 + 35188^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1241303513 - 2⁶ = 1241303449 is a prime.

It is a super-2 number, since 2×1241303513² = 3081668822772282338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241303533) 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, 31481 + ... + 58937.

It is an arithmetic number, because the mean of its divisors is an integer number (158281641).

Almost surely, 2^1241303513 is an apocalyptic number.

It is an amenable number.

1241303513 is a deficient number, since it is larger than the sum of its proper divisors (24949615).

1241303513 is an equidigital number, since it uses as much as digits as its factorization.

1241303513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28363.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1241303513 is about 35232.1375025700. The cubic root of 1241303513 is about 1074.7133940833.

Adding to 1241303513 its reverse (3153031421), we get a palindrome (4394334934).

The spelling of 1241303513 in words is "one billion, two hundred forty-one million, three hundred three thousand, five hundred thirteen".