1228937 has 2 divisors, whose sum is σ = 1228938. Its totient is φ = 1228936.

The previous prime is 1228919. The next prime is 1228943. The reversal of 1228937 is 7398221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 687241 + 541696 = 829^2 + 736^2 .

It is a cyclic number.

It is not a de Polignac number, because 1228937 - 2²⁰ = 180361 is a prime.

It is a super-2 number, since 2×1228937² = 3020572299938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1228907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614468 + 614469.

It is an arithmetic number, because the mean of its divisors is an integer number (614469).

2^1228937 is an apocalyptic number.

It is an amenable number.

1228937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228937 is an equidigital number, since it uses as much as digits as its factorization.

1228937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 1228937 is about 1108.5743096428. The cubic root of 1228937 is about 107.1132524344.

The spelling of 1228937 in words is "one million, two hundred twenty-eight thousand, nine hundred thirty-seven".