1236849001145 has 8 divisors (see below), whose sum is σ = 1484612829504. Its totient is φ = 989216515504.

The previous prime is 1236849001123. The next prime is 1236849001181. The reversal of 1236849001145 is 5411009486321.

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 1236849001145 - 2¹⁸ = 1236848739001 is a prime.

It is a super-2 number, since 2×1236849001145² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1236849001096 and 1236849001105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32814959 + ... + 32852628.

It is an arithmetic number, because the mean of its divisors is an integer number (185576603688).

Almost surely, 2^{1236849001145} is an apocalyptic number.

It is an amenable number.

1236849001145 is a deficient number, since it is larger than the sum of its proper divisors (247763828359).

1236849001145 is an equidigital number, since it uses as much as digits as its factorization.

1236849001145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65671359.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 1236849001145 in words is "one trillion, two hundred thirty-six billion, eight hundred forty-nine million, one thousand, one hundred forty-five".