1228908 has 12 divisors (see below), whose sum is σ = 2867480. Its totient is φ = 409632.

The previous prime is 1228907. The next prime is 1228919. The reversal of 1228908 is 8098221.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1228907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51193 + ... + 51216.

2^1228908 is an apocalyptic number.

It is an amenable number.

1228908 is an abundant number, since it is smaller than the sum of its proper divisors (1638572).

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

1228908 is a wasteful number, since it uses less digits than its factorization.

1228908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102416 (or 102414 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1228908 is about 1108.5612297027. The cubic root of 1228908 is about 107.1124098882.

It can be divided in two parts, 12 and 28908, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 1228908 in words is "one million, two hundred twenty-eight thousand, nine hundred eight".