1236049 has 4 divisors (see below), whose sum is σ = 1243060. Its totient is φ = 1229040.

The previous prime is 1236017. The next prime is 1236073. The reversal of 1236049 is 9406321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 250000 + 986049 = 500^2 + 993^2 .

It is a cyclic number.

It is not a de Polignac number, because 1236049 - 2⁵ = 1236017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1236449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3234 + ... + 3595.

It is an arithmetic number, because the mean of its divisors is an integer number (310765).

2^1236049 is an apocalyptic number.

It is an amenable number.

1236049 is a deficient number, since it is larger than the sum of its proper divisors (7011).

1236049 is an equidigital number, since it uses as much as digits as its factorization.

1236049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1236049 is about 1111.7774057787. Note that the first 3 decimals coincide. The cubic root of 1236049 is about 107.3194806996.

The spelling of 1236049 in words is "one million, two hundred thirty-six thousand, forty-nine".