1236616241 has 8 divisors (see below), whose sum is σ = 1415982144. Its totient is φ = 1057926960.

The previous prime is 1236616219. The next prime is 1236616243. The reversal of 1236616241 is 1426166321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1236616241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1236616198 and 1236616207.

It is not an unprimeable number, because it can be changed into a prime (1236616243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165230 + ... + 172551.

It is an arithmetic number, because the mean of its divisors is an integer number (176997768).

Almost surely, 2^1236616241 is an apocalyptic number.

It is an amenable number.

1236616241 is a deficient number, since it is larger than the sum of its proper divisors (179365903).

1236616241 is an equidigital number, since it uses as much as digits as its factorization.

1236616241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338311.

The product of its digits is 10368, while the sum is 32.

The square root of 1236616241 is about 35165.5547517738. The cubic root of 1236616241 is about 1073.3589501643.

The spelling of 1236616241 in words is "one billion, two hundred thirty-six million, six hundred sixteen thousand, two hundred forty-one".