1225927 has 2 divisors, whose sum is σ = 1225928. Its totient is φ = 1225926.

The previous prime is 1225919. The next prime is 1225933. The reversal of 1225927 is 7295221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1225927 - 2³ = 1225919 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225895 and 1225904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225907) 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 as a sum of consecutive naturals, namely, 612963 + 612964.

It is an arithmetic number, because the mean of its divisors is an integer number (612964).

2^1225927 is an apocalyptic number.

1225927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225927 is an equidigital number, since it uses as much as digits as its factorization.

1225927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 1225927 is about 1107.2158777763. The cubic root of 1225927 is about 107.0257311396.

The spelling of 1225927 in words is "one million, two hundred twenty-five thousand, nine hundred twenty-seven".