1117379520 has 168 divisors, whose sum is σ = 3857158656. Its totient is φ = 296896512.

The previous prime is 1117379513. The next prime is 1117379521. The reversal of 1117379520 is 259737111.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117379521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1102534 + ... + 1103546.

Almost surely, 2^1117379520 is an apocalyptic number.

1117379520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117379520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1928579328).

1117379520 is an abundant number, since it is smaller than the sum of its proper divisors (2739779136).

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

1117379520 is a wasteful number, since it uses less digits than its factorization.

1117379520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 36.

The square root of 1117379520 is about 33427.2272257213. The cubic root of 1117379520 is about 1037.6882577042.

The spelling of 1117379520 in words is "one billion, one hundred seventeen million, three hundred seventy-nine thousand, five hundred twenty".