1128521170 has 32 divisors (see below), whose sum is σ = 2325852288. Its totient is φ = 386201088.

The previous prime is 1128521137. The next prime is 1128521171. The reversal of 1128521170 is 711258211.

It is a super-2 number, since 2×1128521170² = 2547120062276337800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1128521171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23554 + ... + 53026.

It is an arithmetic number, because the mean of its divisors is an integer number (72682884).

Almost surely, 2^1128521170 is an apocalyptic number.

1128521170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128521170 is an abundant number, since it is smaller than the sum of its proper divisors (1197331118).

1128521170 is a wasteful number, since it uses less digits than its factorization.

1128521170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30034.

The product of its (nonzero) digits is 1120, while the sum is 28.

The square root of 1128521170 is about 33593.4691569656. The cubic root of 1128521170 is about 1041.1258671515.

Adding to 1128521170 its reverse (711258211), we get a palindrome (1839779381).

The spelling of 1128521170 in words is "one billion, one hundred twenty-eight million, five hundred twenty-one thousand, one hundred seventy".