1236276113 has 8 divisors (see below), whose sum is σ = 1241349408. Its totient is φ = 1231213984.

The previous prime is 1236276103. The next prime is 1236276121. The reversal of 1236276113 is 3116726321.

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 1236276113 - 2¹⁸ = 1236013969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1236276113.

It is not an unprimeable number, because it can be changed into a prime (1236276103) 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, 271070 + ... + 275592.

It is an arithmetic number, because the mean of its divisors is an integer number (155168676).

Almost surely, 2^1236276113 is an apocalyptic number.

It is an amenable number.

1236276113 is a deficient number, since it is larger than the sum of its proper divisors (5073295).

1236276113 is an equidigital number, since it uses as much as digits as its factorization.

1236276113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583.

The product of its digits is 9072, while the sum is 32.

The square root of 1236276113 is about 35160.7183231515. The cubic root of 1236276113 is about 1073.2605329681.

The spelling of 1236276113 in words is "one billion, two hundred thirty-six million, two hundred seventy-six thousand, one hundred thirteen".