1128633102 has 80 divisors (see below), whose sum is σ = 2588730144. Its totient is φ = 367416000.

The previous prime is 1128633101. The next prime is 1128633113. The reversal of 1128633102 is 2013368211.

It is a happy number.

1128633102 is a `hidden beast` number, since 1 + 1 + 28 + 633 + 1 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128633101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1788327 + ... + 1788957.

Almost surely, 2^1128633102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128633102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1294365072).

1128633102 is an abundant number, since it is smaller than the sum of its proper divisors (1460097042).

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

1128633102 is a wasteful number, since it uses less digits than its factorization.

1128633102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1128633102 is about 33595.1350942365. The cubic root of 1128633102 is about 1041.1602872554.

The spelling of 1128633102 in words is "one billion, one hundred twenty-eight million, six hundred thirty-three thousand, one hundred two".