1117200630 has 256 divisors, whose sum is σ = 3497066496. Its totient is φ = 222082560.

The previous prime is 1117200583. The next prime is 1117200631. The reversal of 1117200630 is 360027111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1117200597 and 1117200606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117200631) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3638937 + ... + 3639243.

It is an arithmetic number, because the mean of its divisors is an integer number (13660416).

Almost surely, 2^1117200630 is an apocalyptic number.

1117200630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117200630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748533248).

1117200630 is an abundant number, since it is smaller than the sum of its proper divisors (2379865866).

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

1117200630 is a wasteful number, since it uses less digits than its factorization.

1117200630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 1117200630 is about 33424.5513058889. The cubic root of 1117200630 is about 1037.6328775472.

Adding to 1117200630 its reverse (360027111), we get a palindrome (1477227741).

The spelling of 1117200630 in words is "one billion, one hundred seventeen million, two hundred thousand, six hundred thirty".