1171120700 has 72 divisors (see below), whose sum is σ = 2607385200. Its totient is φ = 456422400.

The previous prime is 1171120669. The next prime is 1171120703. The reversal of 1171120700 is 70211711.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171120703) 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, 688451 + ... + 690149.

Almost surely, 2^1171120700 is an apocalyptic number.

1171120700 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 1171120700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1303692600).

1171120700 is an abundant number, since it is smaller than the sum of its proper divisors (1436264500).

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

1171120700 is a wasteful number, since it uses less digits than its factorization.

1171120700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 20.

The square root of 1171120700 is about 34221.6408139645. The cubic root of 1171120700 is about 1054.0645781839.

The spelling of 1171120700 in words is "one billion, one hundred seventy-one million, one hundred twenty thousand, seven hundred".