1117907430 has 64 divisors (see below), whose sum is σ = 2777241600. Its totient is φ = 287688960.

The previous prime is 1117907423. The next prime is 1117907477. The reversal of 1117907430 is 347097111.

It is a junction number, because it is equal to n+sod(n) for n = 1117907391 and 1117907400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378901 + ... + 381839.

It is an arithmetic number, because the mean of its divisors is an integer number (43394400).

Almost surely, 2^1117907430 is an apocalyptic number.

1117907430 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 1117907430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1388620800).

1117907430 is an abundant number, since it is smaller than the sum of its proper divisors (1659334170).

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

1117907430 is a wasteful number, since it uses less digits than its factorization.

1117907430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 1117907430 is about 33435.1227005375. The cubic root of 1117907430 is about 1037.8516518331.

The spelling of 1117907430 in words is "one billion, one hundred seventeen million, nine hundred seven thousand, four hundred thirty".