1170072220 has 24 divisors (see below), whose sum is σ = 2461889808. Its totient is φ = 467126400.

The previous prime is 1170072217. The next prime is 1170072223. The reversal of 1170072220 is 222700711.

It is an interprime number because it is at equal distance from previous prime (1170072217) and next prime (1170072223).

It is a junction number, because it is equal to n+sod(n) for n = 1170072191 and 1170072200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170072223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45726 + ... + 66565.

It is an arithmetic number, because the mean of its divisors is an integer number (102578742).

Almost surely, 2^1170072220 is an apocalyptic number.

1170072220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1170072220 is an abundant number, since it is smaller than the sum of its proper divisors (1291817588).

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

1170072220 is a wasteful number, since it uses less digits than its factorization.

1170072220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112821 (or 112819 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 1170072220 is about 34206.3184221863. The cubic root of 1170072220 is about 1053.7499235675.

Adding to 1170072220 its reverse (222700711), we get a palindrome (1392772931).

The spelling of 1170072220 in words is "one billion, one hundred seventy million, seventy-two thousand, two hundred twenty".