1128231102 has 16 divisors (see below), whose sum is σ = 2256927120. Its totient is φ = 375999552.

The previous prime is 1128231067. The next prime is 1128231113. The reversal of 1128231102 is 2011328211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17608 + ... + 50660.

It is an arithmetic number, because the mean of its divisors is an integer number (141057945).

Almost surely, 2^1128231102 is an apocalyptic number.

1128231102 is an abundant number, since it is smaller than the sum of its proper divisors (1128696018).

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

1128231102 is a wasteful number, since it uses less digits than its factorization.

1128231102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38747.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1128231102 is about 33589.1515522497. The cubic root of 1128231102 is about 1041.0366580212.

Adding to 1128231102 its reverse (2011328211), we get a palindrome (3139559313).

The spelling of 1128231102 in words is "one billion, one hundred twenty-eight million, two hundred thirty-one thousand, one hundred two".