1243227 has 16 divisors (see below), whose sum is σ = 1848960. Its totient is φ = 738432.

The previous prime is 1243211. The next prime is 1243271. The reversal of 1243227 is 7223421.

It is not a de Polignac number, because 1243227 - 2⁴ = 1243211 is a prime.

It is a super-2 number, since 2×1243227² = 3091226747058, which contains 22 as substring.

1243227 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1243427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328 + ... + 1610.

It is an arithmetic number, because the mean of its divisors is an integer number (115560).

2^1243227 is an apocalyptic number.

1243227 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1243227 is a deficient number, since it is larger than the sum of its proper divisors (605733).

1243227 is a wasteful number, since it uses less digits than its factorization.

1243227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322.

The product of its digits is 672, while the sum is 21.

The square root of 1243227 is about 1115.0008968606. Note that the first 3 decimals coincide. The cubic root of 1243227 is about 107.5268222236.

Adding to 1243227 its reverse (7223421), we get a palindrome (8466648).

The spelling of 1243227 in words is "one million, two hundred forty-three thousand, two hundred twenty-seven".