1075512172 has 48 divisors (see below), whose sum is σ = 2209345600. Its totient is φ = 457906176.

The previous prime is 1075512169. The next prime is 1075512181. The reversal of 1075512172 is 2712155701.

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 15 ways as a sum of consecutive naturals, for example, 212908 + ... + 217900.

Almost surely, 2^1075512172 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1075512172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104672800).

1075512172 is an abundant number, since it is smaller than the sum of its proper divisors (1133833428).

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

1075512172 is a wasteful number, since it uses less digits than its factorization.

1075512172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175 (or 5159 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 1075512172 is about 32795.0022411952. The cubic root of 1075512172 is about 1024.5624694594.

Adding to 1075512172 its reverse (2712155701), we get a palindrome (3787667873).

The spelling of 1075512172 in words is "one billion, seventy-five million, five hundred twelve thousand, one hundred seventy-two".