1121716700 has 72 divisors (see below), whose sum is σ = 2639414400. Its totient is φ = 411321600.

The previous prime is 1121716669. The next prime is 1121716703. The reversal of 1121716700 is 76171211.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 1121716700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121716703) 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, 190805 + ... + 196595.

Almost surely, 2^1121716700 is an apocalyptic number.

1121716700 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 1121716700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319707200).

1121716700 is an abundant number, since it is smaller than the sum of its proper divisors (1517697700).

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

1121716700 is a wasteful number, since it uses less digits than its factorization.

1121716700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5967 (or 5960 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 26.

The square root of 1121716700 is about 33492.0393526581. The cubic root of 1121716700 is about 1039.0291420463.

Adding to 1121716700 its reverse (76171211), we get a palindrome (1197887911).

The spelling of 1121716700 in words is "one billion, one hundred twenty-one million, seven hundred sixteen thousand, seven hundred".