1227256 has 8 divisors (see below), whose sum is σ = 2301120. Its totient is φ = 613624.

The previous prime is 1227241. The next prime is 1227271. The reversal of 1227256 is 6527221.

It is an interprime number because it is at equal distance from previous prime (1227241) and next prime (1227271).

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1227256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76696 + ... + 76711.

It is an arithmetic number, because the mean of its divisors is an integer number (287640).

2^1227256 is an apocalyptic number.

It is an amenable number.

1227256 is a deficient number, since it is larger than the sum of its proper divisors (1073864).

1227256 is a wasteful number, since it uses less digits than its factorization.

1227256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153413 (or 153409 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 1227256 is about 1107.8158691768. The cubic root of 1227256 is about 107.0643919051.

The spelling of 1227256 in words is "one million, two hundred twenty-seven thousand, two hundred fifty-six".