1117009730 has 16 divisors (see below), whose sum is σ = 2016965880. Its totient is φ = 445393152.

The previous prime is 1117009721. The next prime is 1117009739. The reversal of 1117009730 is 379007111.

It is an interprime number because it is at equal distance from previous prime (1117009721) and next prime (1117009739).

It can be written as a sum of positive squares in 4 ways, for example, as 434180569 + 682829161 = 20837^2 + 26131^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1117009693 and 1117009702.

It is not an unprimeable number, because it can be changed into a prime (1117009739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173015 + ... + 179354.

Almost surely, 2^1117009730 is an apocalyptic number.

1117009730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1117009730 is a deficient number, since it is larger than the sum of its proper divisors (899956150).

1117009730 is a wasteful number, since it uses less digits than its factorization.

1117009730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352693.

The product of its (nonzero) digits is 1323, while the sum is 29.

The square root of 1117009730 is about 33421.6954985830. The cubic root of 1117009730 is about 1037.5737728545.

The spelling of 1117009730 in words is "one billion, one hundred seventeen million, nine thousand, seven hundred thirty".