1098453120 has 128 divisors (see below), whose sum is σ = 3522623040. Its totient is φ = 291139584.

The previous prime is 1098453107. The next prime is 1098453149. The reversal of 1098453120 is 213548901.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 330507 + ... + 333813.

Almost surely, 2^1098453120 is an apocalyptic number.

1098453120 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 1098453120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1761311520).

1098453120 is an abundant number, since it is smaller than the sum of its proper divisors (2424169920).

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

1098453120 is a wasteful number, since it uses less digits than its factorization.

1098453120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502 (or 3490 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1098453120 is about 33142.9196058525. The cubic root of 1098453120 is about 1031.7960055900.

The spelling of 1098453120 in words is "one billion, ninety-eight million, four hundred fifty-three thousand, one hundred twenty".