1098041273 has 4 divisors (see below), whose sum is σ = 1254904320. Its totient is φ = 941178228.

The previous prime is 1098041251. The next prime is 1098041281. The reversal of 1098041273 is 3721408901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1098041273 - 2⁶ = 1098041209 is a prime.

It is a super-2 number, since 2×1098041273² = 2411389274422921058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1098061273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78431513 + ... + 78431526.

It is an arithmetic number, because the mean of its divisors is an integer number (313726080).

Almost surely, 2^1098041273 is an apocalyptic number.

It is an amenable number.

1098041273 is a deficient number, since it is larger than the sum of its proper divisors (156863047).

1098041273 is an equidigital number, since it uses as much as digits as its factorization.

1098041273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156863046.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1098041273 is about 33136.7058260172. The cubic root of 1098041273 is about 1031.6670378015.

The spelling of 1098041273 in words is "one billion, ninety-eight million, forty-one thousand, two hundred seventy-three".