1170315220 has 24 divisors (see below), whose sum is σ = 2458358784. Its totient is φ = 467993376.

The previous prime is 1170315199. The next prime is 1170315221. The reversal of 1170315220 is 225130711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1170315191 and 1170315200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170315221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95989 + ... + 107491.

It is an arithmetic number, because the mean of its divisors is an integer number (102431616).

Almost surely, 2^1170315220 is an apocalyptic number.

1170315220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1170315220 is an abundant number, since it is smaller than the sum of its proper divisors (1288043564).

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

1170315220 is a wasteful number, since it uses less digits than its factorization.

1170315220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16599 (or 16597 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1170315220 is about 34209.8702131417. The cubic root of 1170315220 is about 1053.8228659332.

Adding to 1170315220 its reverse (225130711), we get a palindrome (1395445931).

The spelling of 1170315220 in words is "one billion, one hundred seventy million, three hundred fifteen thousand, two hundred twenty".