1234889 has 2 divisors, whose sum is σ = 1234890. Its totient is φ = 1234888.

The previous prime is 1234873. The next prime is 1234901. The reversal of 1234889 is 9884321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1227664 + 7225 = 1108^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 1234889 - 2⁴ = 1234873 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1234819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617444 + 617445.

It is an arithmetic number, because the mean of its divisors is an integer number (617445).

2^1234889 is an apocalyptic number.

It is an amenable number.

1234889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234889 is an equidigital number, since it uses as much as digits as its factorization.

1234889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 1234889 is about 1111.2555961614. The cubic root of 1234889 is about 107.2858980068.

The spelling of 1234889 in words is "one million, two hundred thirty-four thousand, eight hundred eighty-nine".