1128338950 has 12 divisors (see below), whose sum is σ = 2098710540. Its totient is φ = 451335560.

The previous prime is 1128338947. The next prime is 1128338957. The reversal of 1128338950 is 598338211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128338957) 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, 11283340 + ... + 11283439.

It is an arithmetic number, because the mean of its divisors is an integer number (174892545).

Almost surely, 2^1128338950 is an apocalyptic number.

1128338950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128338950 is a deficient number, since it is larger than the sum of its proper divisors (970371590).

1128338950 is a wasteful number, since it uses less digits than its factorization.

1128338950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22566791 (or 22566786 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1128338950 is about 33590.7569131748. The cubic root of 1128338950 is about 1041.0698279820.

The spelling of 1128338950 in words is "one billion, one hundred twenty-eight million, three hundred thirty-eight thousand, nine hundred fifty".