1117387290 has 16 divisors (see below), whose sum is σ = 2681729568. Its totient is φ = 297969936.

The previous prime is 1117387241. The next prime is 1117387301. The reversal of 1117387290 is 927837111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18623092 + ... + 18623151.

It is an arithmetic number, because the mean of its divisors is an integer number (167608098).

Almost surely, 2^1117387290 is an apocalyptic number.

1117387290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1117387290 is an abundant number, since it is smaller than the sum of its proper divisors (1564342278).

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

1117387290 is a wasteful number, since it uses less digits than its factorization.

1117387290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37246253.

The product of its (nonzero) digits is 21168, while the sum is 39.

The square root of 1117387290 is about 33427.3434481414. The cubic root of 1117387290 is about 1037.6906629804.

The spelling of 1117387290 in words is "one billion, one hundred seventeen million, three hundred eighty-seven thousand, two hundred ninety".