1227901 has 8 divisors (see below), whose sum is σ = 1292544. Its totient is φ = 1164240.

The previous prime is 1227887. The next prime is 1227911. The reversal of 1227901 is 1097221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1227901 - 2¹⁷ = 1096829 is a prime.

It is a Duffinian number.

1227901 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227911) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4396 + ... + 4666.

It is an arithmetic number, because the mean of its divisors is an integer number (161568).

2^1227901 is an apocalyptic number.

It is an amenable number.

1227901 is a deficient number, since it is larger than the sum of its proper divisors (64643).

1227901 is a wasteful number, since it uses less digits than its factorization.

1227901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1227901 is about 1108.1069442973. The cubic root of 1227901 is about 107.0831449712.

The spelling of 1227901 in words is "one million, two hundred twenty-seven thousand, nine hundred one".