1227455 has 8 divisors (see below), whose sum is σ = 1485312. Its totient is φ = 973728.

The previous prime is 1227437. The next prime is 1227463. The reversal of 1227455 is 5547221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1227455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (185664).

2^1227455 is an apocalyptic number.

1227455 is a deficient number, since it is larger than the sum of its proper divisors (257857).

1227455 is a wasteful number, since it uses less digits than its factorization.

1227455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065.

The product of its digits is 2800, while the sum is 26.

The square root of 1227455 is about 1107.9056819062. The cubic root of 1227455 is about 107.0701784355.

The spelling of 1227455 in words is "one million, two hundred twenty-seven thousand, four hundred fifty-five".