1227888 has 30 divisors (see below), whose sum is σ = 3436784. Its totient is φ = 409248.

The previous prime is 1227887. The next prime is 1227911. The reversal of 1227888 is 8887221.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227881) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4120 + ... + 4407.

2^1227888 is an apocalyptic number.

1227888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1227888 is an abundant number, since it is smaller than the sum of its proper divisors (2208896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1227888 is a wasteful number, since it uses less digits than its factorization.

1227888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541 (or 8532 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 1227888 is about 1108.1010784220. The cubic root of 1227888 is about 107.0827670672.

The spelling of 1227888 in words is "one million, two hundred twenty-seven thousand, eight hundred eighty-eight".