1223141 has 4 divisors (see below), whose sum is σ = 1231500. Its totient is φ = 1214784.

The previous prime is 1223119. The next prime is 1223149. The reversal of 1223141 is 1413221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112225 + 1110916 = 335^2 + 1054^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223141 - 2⁶ = 1223077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223149) 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 in 3 ways as a sum of consecutive naturals, for example, 3956 + ... + 4253.

It is an arithmetic number, because the mean of its divisors is an integer number (307875).

2^1223141 is an apocalyptic number.

It is an amenable number.

1223141 is a deficient number, since it is larger than the sum of its proper divisors (8359).

1223141 is an equidigital number, since it uses as much as digits as its factorization.

1223141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8358.

The product of its digits is 48, while the sum is 14.

The square root of 1223141 is about 1105.9570516073. The cubic root of 1223141 is about 106.9445953010.

Adding to 1223141 its reverse (1413221), we get a palindrome (2636362).

The spelling of 1223141 in words is "one million, two hundred twenty-three thousand, one hundred forty-one".