1227628 has 24 divisors (see below), whose sum is σ = 2343600. Its totient is φ = 560448.

The previous prime is 1227619. The next prime is 1227637. The reversal of 1227628 is 8267221.

It is an interprime number because it is at equal distance from previous prime (1227619) and next prime (1227637).

It is a junction number, because it is equal to n+sod(n) for n = 1227596 and 1227605.

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, 1926 + ... + 2482.

It is an arithmetic number, because the mean of its divisors is an integer number (97650).

2^1227628 is an apocalyptic number.

It is an amenable number.

1227628 is a deficient number, since it is larger than the sum of its proper divisors (1115972).

1227628 is a wasteful number, since it uses less digits than its factorization.

1227628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 607 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 1227628 is about 1107.9837543935. The cubic root of 1227628 is about 107.0752084287.

It can be divided in two parts, 122 and 7628, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 1227628 in words is "one million, two hundred twenty-seven thousand, six hundred twenty-eight".