1210873 has 2 divisors, whose sum is σ = 1210874. Its totient is φ = 1210872.

The previous prime is 1210871. The next prime is 1210877. The reversal of 1210873 is 3780121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 652864 + 558009 = 808^2 + 747^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210873 - 2¹ = 1210871 is a prime.

Together with 1210871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1210871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605436 + 605437.

It is an arithmetic number, because the mean of its divisors is an integer number (605437).

2^1210873 is an apocalyptic number.

It is an amenable number.

1210873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210873 is an equidigital number, since it uses as much as digits as its factorization.

1210873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1210873 is about 1100.3967466328. The cubic root of 1210873 is about 106.5858448093.

Adding to 1210873 its reverse (3780121), we get a palindrome (4990994).

The spelling of 1210873 in words is "one million, two hundred ten thousand, eight hundred seventy-three".