1170225900 has 144 divisors (see below), whose sum is σ = 3786563200. Its totient is φ = 310029120.

The previous prime is 1170225887. The next prime is 1170225907. The reversal of 1170225900 is 95220711.

1170225900 is a `hidden beast` number, since 1 + 1 + 70 + 2 + 2 + 590 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1170225907) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 438771 + ... + 441429.

Almost surely, 2^1170225900 is an apocalyptic number.

1170225900 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 1170225900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1893281600).

1170225900 is an abundant number, since it is smaller than the sum of its proper divisors (2616337300).

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

1170225900 is a wasteful number, since it uses less digits than its factorization.

1170225900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2845 (or 2832 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1170225900 is about 34208.5647170413. The cubic root of 1170225900 is about 1053.7960555344.

The spelling of 1170225900 in words is "one billion, one hundred seventy million, two hundred twenty-five thousand, nine hundred".