1204451 has 2 divisors, whose sum is σ = 1204452. Its totient is φ = 1204450.

The previous prime is 1204447. The next prime is 1204453. The reversal of 1204451 is 1544021.

It is a strong prime.

It is an emirp because it is prime and its reverse (1544021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1204451 - 2² = 1204447 is a prime.

It is a super-2 number, since 2×1204451² = 2901404422802, which contains 22 as substring.

Together with 1204453, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1204453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602225 + 602226.

It is an arithmetic number, because the mean of its divisors is an integer number (602226).

2^1204451 is an apocalyptic number.

1204451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204451 is an equidigital number, since it uses as much as digits as its factorization.

1204451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1204451 is about 1097.4748288685. The cubic root of 1204451 is about 106.3970807328.

Adding to 1204451 its reverse (1544021), we get a palindrome (2748472).

The spelling of 1204451 in words is "one million, two hundred four thousand, four hundred fifty-one".