1227257 has 4 divisors (see below), whose sum is σ = 1280640. Its totient is φ = 1173876.

The previous prime is 1227241. The next prime is 1227271. The reversal of 1227257 is 7527221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7527221 = 13 ⋅579017.

It is a cyclic number.

It is not a de Polignac number, because 1227257 - 2⁴ = 1227241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1227277) 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 3 ways as a sum of consecutive naturals, for example, 26657 + ... + 26702.

It is an arithmetic number, because the mean of its divisors is an integer number (320160).

2^1227257 is an apocalyptic number.

It is an amenable number.

1227257 is a deficient number, since it is larger than the sum of its proper divisors (53383).

1227257 is an equidigital number, since it uses as much as digits as its factorization.

1227257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53382.

The product of its digits is 1960, while the sum is 26.

The square root of 1227257 is about 1107.8163205153. The cubic root of 1227257 is about 107.0644209847.

The spelling of 1227257 in words is "one million, two hundred twenty-seven thousand, two hundred fifty-seven".