1204136 has 8 divisors (see below), whose sum is σ = 2257770. Its totient is φ = 602064.

The previous prime is 1204117. The next prime is 1204139. The reversal of 1204136 is 6314021.

It can be written as a sum of positive squares in only one way, i.e., 722500 + 481636 = 850^2 + 694^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (1204139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75251 + ... + 75266.

2^1204136 is an apocalyptic number.

It is an amenable number.

1204136 is a deficient number, since it is larger than the sum of its proper divisors (1053634).

1204136 is a wasteful number, since it uses less digits than its factorization.

1204136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150523 (or 150519 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1204136 is about 1097.3313082201. The cubic root of 1204136 is about 106.3878045834.

Adding to 1204136 its reverse (6314021), we get a palindrome (7518157).

The spelling of 1204136 in words is "one million, two hundred four thousand, one hundred thirty-six".