1226281 has 8 divisors (see below), whose sum is σ = 1411200. Its totient is φ = 1043808.

The previous prime is 1226263. The next prime is 1226293. The reversal of 1226281 is 1826221.

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 1226281 - 2⁹ = 1225769 is a prime.

It is a super-2 number, since 2×1226281² = 3007530181922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1226581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645 + ... + 1693.

It is an arithmetic number, because the mean of its divisors is an integer number (176400).

2^1226281 is an apocalyptic number.

It is an amenable number.

1226281 is a deficient number, since it is larger than the sum of its proper divisors (184919).

1226281 is a wasteful number, since it uses less digits than its factorization.

1226281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223.

The product of its digits is 384, while the sum is 22.

The square root of 1226281 is about 1107.3757266619. The cubic root of 1226281 is about 107.0360317700.

The spelling of 1226281 in words is "one million, two hundred twenty-six thousand, two hundred eighty-one".