1170020800 has 126 divisors (see below), whose sum is σ = 3118198488. Its totient is φ = 431907840.

The previous prime is 1170020783. The next prime is 1170020807. The reversal of 1170020800 is 80200711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170020807) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 268237 + ... + 272563.

Almost surely, 2^1170020800 is an apocalyptic number.

1170020800 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 1170020800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559099244).

1170020800 is an abundant number, since it is smaller than the sum of its proper divisors (1948177688).

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

1170020800 is a wasteful number, since it uses less digits than its factorization.

1170020800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4375 (or 4347 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1170020800 is about 34205.5667984029. The cubic root of 1170020800 is about 1053.7344873081.

It can be divided in two parts, 11700 and 20800, that multiplied together give a square (243360000 = 15600²).

The spelling of 1170020800 in words is "one billion, one hundred seventy million, twenty thousand, eight hundred".