1261227 has 8 divisors (see below), whose sum is σ = 1834560. Its totient is φ = 764360.

The previous prime is 1261223. The next prime is 1261259. The reversal of 1261227 is 7221621.

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 1261227 - 2² = 1261223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1261223) 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, 19077 + ... + 19142.

It is an arithmetic number, because the mean of its divisors is an integer number (229320).

2^1261227 is an apocalyptic number.

1261227 is a deficient number, since it is larger than the sum of its proper divisors (573333).

1261227 is a wasteful number, since it uses less digits than its factorization.

1261227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38233.

The product of its digits is 336, while the sum is 21.

The square root of 1261227 is about 1123.0436322779. The cubic root of 1261227 is about 108.0432782654.

Adding to 1261227 its reverse (7221621), we get a palindrome (8482848).

The spelling of 1261227 in words is "one million, two hundred sixty-one thousand, two hundred twenty-seven".