1127228 has 6 divisors (see below), whose sum is σ = 1972656. Its totient is φ = 563612.

The previous prime is 1127227. The next prime is 1127239. The reversal of 1127228 is 8227211.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140900 + ... + 140907.

It is an arithmetic number, because the mean of its divisors is an integer number (328776).

2^1127228 is an apocalyptic number.

It is an amenable number.

1127228 is a deficient number, since it is larger than the sum of its proper divisors (845428).

1127228 is a wasteful number, since it uses less digits than its factorization.

1127228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281811 (or 281809 counting only the distinct ones).

The product of its digits is 448, while the sum is 23.

The square root of 1127228 is about 1061.7099415565. The cubic root of 1127228 is about 104.0728040520.

Adding to 1127228 its sum of digits (23), we get a triangular number (1127251 = T₁₅₀₁).

The spelling of 1127228 in words is "one million, one hundred twenty-seven thousand, two hundred twenty-eight".