1224136 has 16 divisors (see below), whose sum is σ = 2430540. Its totient is φ = 576000.

The previous prime is 1224133. The next prime is 1224149. The reversal of 1224136 is 6314221.

It can be written as a sum of positive squares in 2 ways, for example, as 1223236 + 900 = 1106^2 + 30^2 .

It is not an unprimeable number, because it can be changed into a prime (1224131) 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, 4365 + ... + 4636.

2^1224136 is an apocalyptic number.

It is an amenable number.

1224136 is a deficient number, since it is larger than the sum of its proper divisors (1206404).

1224136 is a wasteful number, since it uses less digits than its factorization.

1224136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9024 (or 9020 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 1224136 is about 1106.4067967976. The cubic root of 1224136 is about 106.9735865160.

Adding to 1224136 its reverse (6314221), we get a palindrome (7538357).

It can be divided in two parts, 1224 and 136, that multiplied together give a square (166464 = 408²).

The spelling of 1224136 in words is "one million, two hundred twenty-four thousand, one hundred thirty-six".