1102131648 has 84 divisors (see below), whose sum is σ = 3166353840. Its totient is φ = 366529536.

The previous prime is 1102131647. The next prime is 1102131673. The reversal of 1102131648 is 8461312011.

It is a happy number.

1102131648 is a `hidden beast` number, since 1 + 1 + 0 + 2 + 13 + 1 + 648 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102131643) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 278548 + ... + 282476.

Almost surely, 2^1102131648 is an apocalyptic number.

1102131648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102131648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583176920).

1102131648 is an abundant number, since it is smaller than the sum of its proper divisors (2064222192).

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

1102131648 is a wasteful number, since it uses less digits than its factorization.

1102131648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434 (or 4421 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1102131648 is about 33198.3681526668. The cubic root of 1102131648 is about 1032.9464906010.

Adding to 1102131648 its reverse (8461312011), we get a palindrome (9563443659).

The spelling of 1102131648 in words is "one billion, one hundred two million, one hundred thirty-one thousand, six hundred forty-eight".