1098274128 has 80 divisors (see below), whose sum is σ = 3246208896. Its totient is φ = 313436160.

The previous prime is 1098274097. The next prime is 1098274129. The reversal of 1098274128 is 8214728901.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1098274128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098274129) 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 15 ways as a sum of consecutive naturals, for example, 480348 + ... + 482628.

Almost surely, 2^1098274128 is an apocalyptic number.

It is an amenable number.

1098274128 is an abundant number, since it is smaller than the sum of its proper divisors (2147934768).

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

1098274128 is a wasteful number, since it uses less digits than its factorization.

1098274128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732 (or 3726 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 1098274128 is about 33140.2191905847. The cubic root of 1098274128 is about 1031.7399591190.

The spelling of 1098274128 in words is "one billion, ninety-eight million, two hundred seventy-four thousand, one hundred twenty-eight".