1268357228 has 12 divisors (see below), whose sum is σ = 2266851552. Its totient is φ = 620685360.

The previous prime is 1268357227. The next prime is 1268357269. The reversal of 1268357228 is 8227538621.

It is a super-3 number, since 3×1268357228³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1268357221) 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, 3373103 + ... + 3373478.

It is an arithmetic number, because the mean of its divisors is an integer number (188904296).

Almost surely, 2^1268357228 is an apocalyptic number.

It is an amenable number.

1268357228 is a deficient number, since it is larger than the sum of its proper divisors (998494324).

1268357228 is a wasteful number, since it uses less digits than its factorization.

1268357228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746632 (or 6746630 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 1268357228 is about 35614.0032571459. The cubic root of 1268357228 is about 1082.4649994461.

The spelling of 1268357228 in words is "one billion, two hundred sixty-eight million, three hundred fifty-seven thousand, two hundred twenty-eight".