1075712220 has 72 divisors (see below), whose sum is σ = 3559636080. Its totient is φ = 260778240.

The previous prime is 1075712173. The next prime is 1075712233. The reversal of 1075712220 is 222175701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 269665 + ... + 273624.

It is an arithmetic number, because the mean of its divisors is an integer number (49439390).

Almost surely, 2^1075712220 is an apocalyptic number.

1075712220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1075712220 is an abundant number, since it is smaller than the sum of its proper divisors (2483923860).

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

1075712220 is a wasteful number, since it uses less digits than its factorization.

1075712220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543315 (or 543310 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 1075712220 is about 32798.0520763048. The cubic root of 1075712220 is about 1024.6259892632.

Adding to 1075712220 its reverse (222175701), we get a palindrome (1297887921).

The spelling of 1075712220 in words is "one billion, seventy-five million, seven hundred twelve thousand, two hundred twenty".