1117261320 has 64 divisors (see below), whose sum is σ = 3830613120. Its totient is φ = 255373824.

The previous prime is 1117261307. The next prime is 1117261331. The reversal of 1117261320 is 231627111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664197 + ... + 665876.

It is an arithmetic number, because the mean of its divisors is an integer number (59853330).

Almost surely, 2^1117261320 is an apocalyptic number.

1117261320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1117261320 is an abundant number, since it is smaller than the sum of its proper divisors (2713351800).

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

1117261320 is a wasteful number, since it uses less digits than its factorization.

1117261320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330094 (or 1330090 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 1117261320 is about 33425.4591591499. The cubic root of 1117261320 is about 1037.6516664133.

Adding to 1117261320 its reverse (231627111), we get a palindrome (1348888431).

The spelling of 1117261320 in words is "one billion, one hundred seventeen million, two hundred sixty-one thousand, three hundred twenty".