1229941 has 2 divisors, whose sum is σ = 1229942. Its totient is φ = 1229940.

The previous prime is 1229939. The next prime is 1229957. The reversal of 1229941 is 1499221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110916 + 119025 = 1054^2 + 345^2 .

It is an emirp because it is prime and its reverse (1499221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1229941 - 2¹ = 1229939 is a prime.

Together with 1229939, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1229911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614970 + 614971.

It is an arithmetic number, because the mean of its divisors is an integer number (614971).

2^1229941 is an apocalyptic number.

It is an amenable number.

1229941 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229941 is an equidigital number, since it uses as much as digits as its factorization.

1229941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 1229941 is about 1109.0270510677. The cubic root of 1229941 is about 107.1424137971.

The spelling of 1229941 in words is "one million, two hundred twenty-nine thousand, nine hundred forty-one".