1098260100 has 144 divisors (see below), whose sum is σ = 4035158400. Its totient is φ = 251026560.

The previous prime is 1098260099. The next prime is 1098260183. The reversal of 1098260100 is 10628901.

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

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 10155 + ... + 47954.

Almost surely, 2^1098260100 is an apocalyptic number.

1098260100 is a gapful number since it is divisible by the number (10) 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 1098260100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2017579200).

1098260100 is an abundant number, since it is smaller than the sum of its proper divisors (2936898300).

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

1098260100 is a wasteful number, since it uses less digits than its factorization.

1098260100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58139 (or 58126 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1098260100 is about 33140.0075437529. The cubic root of 1098260100 is about 1031.7355663754.

The spelling of 1098260100 in words is "one billion, ninety-eight million, two hundred sixty thousand, one hundred".