1098272871 has 8 divisors (see below), whose sum is σ = 1627070960. Its totient is φ = 732181896.

The previous prime is 1098272843. The next prime is 1098272873. The reversal of 1098272871 is 1782728901.

It is not a de Polignac number, because 1098272871 - 2⁶ = 1098272807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098272873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20338360 + ... + 20338413.

It is an arithmetic number, because the mean of its divisors is an integer number (203383870).

Almost surely, 2^1098272871 is an apocalyptic number.

1098272871 is a deficient number, since it is larger than the sum of its proper divisors (528798089).

1098272871 is an equidigital number, since it uses as much as digits as its factorization.

1098272871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40676782 (or 40676776 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The square root of 1098272871 is about 33140.2002257077. The cubic root of 1098272871 is about 1031.7395655021.

The spelling of 1098272871 in words is "one billion, ninety-eight million, two hundred seventy-two thousand, eight hundred seventy-one".