1228953908 has 48 divisors (see below), whose sum is σ = 2701036800. Its totient is φ = 486172512.

The previous prime is 1228953907. The next prime is 1228953997. The reversal of 1228953908 is 8093598221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228953907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16616 + ... + 52287.

It is an arithmetic number, because the mean of its divisors is an integer number (56271600).

Almost surely, 2^1228953908 is an apocalyptic number.

It is an amenable number.

1228953908 is an abundant number, since it is smaller than the sum of its proper divisors (1472082892).

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

1228953908 is a wasteful number, since it uses less digits than its factorization.

1228953908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68941 (or 68925 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 1228953908 is about 35056.4388950161. The cubic root of 1228953908 is about 1071.1374366181.

The spelling of 1228953908 in words is "one billion, two hundred twenty-eight million, nine hundred fifty-three thousand, nine hundred eight".