1227005 has 16 divisors (see below), whose sum is σ = 1626240. Its totient is φ = 883008.

The previous prime is 1226993. The next prime is 1227047. The reversal of 1227005 is 5007221.

It is a cyclic number.

It is not a de Polignac number, because 1227005 - 2¹⁰ = 1225981 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2576 + ... + 3014.

It is an arithmetic number, because the mean of its divisors is an integer number (101640).

2^1227005 is an apocalyptic number.

It is an amenable number.

1227005 is a deficient number, since it is larger than the sum of its proper divisors (399235).

1227005 is a wasteful number, since it uses less digits than its factorization.

1227005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 1227005 is about 1107.7025774097. The cubic root of 1227005 is about 107.0570924244.

The spelling of 1227005 in words is "one million, two hundred twenty-seven thousand, five".