1117788950 has 12 divisors (see below), whose sum is σ = 2079087540. Its totient is φ = 447115560.

The previous prime is 1117788929. The next prime is 1117788961. The reversal of 1117788950 is 598877111.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1117788895 and 1117788904.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 11177840 + ... + 11177939.

It is an arithmetic number, because the mean of its divisors is an integer number (173257295).

Almost surely, 2^1117788950 is an apocalyptic number.

1117788950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1117788950 is a deficient number, since it is larger than the sum of its proper divisors (961298590).

1117788950 is a wasteful number, since it uses less digits than its factorization.

1117788950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22355791 (or 22355786 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 47.

The square root of 1117788950 is about 33433.3508640698. The cubic root of 1117788950 is about 1037.8149854077.

The spelling of 1117788950 in words is "one billion, one hundred seventeen million, seven hundred eighty-eight thousand, nine hundred fifty".